id sid tid token lemma pos en-wikipedia-org-3892 1 1 Heart heart NN en-wikipedia-org-3892 1 2 - - HYPH en-wikipedia-org-3892 1 3 Wikipedia wikipedia NN en-wikipedia-org-3892 1 4 Heart heart NN en-wikipedia-org-3892 1 5 From from IN en-wikipedia-org-3892 1 6 Wikipedia Wikipedia NNP en-wikipedia-org-3892 1 7 , , , en-wikipedia-org-3892 1 8 the the DT en-wikipedia-org-3892 1 9 free free JJ en-wikipedia-org-3892 1 10 encyclopedia encyclopedia NN en-wikipedia-org-3892 1 11 Jump Jump NNP en-wikipedia-org-3892 1 12 to to IN en-wikipedia-org-3892 1 13 navigation navigation NN en-wikipedia-org-3892 1 14 Jump Jump NNP en-wikipedia-org-3892 1 15 to to TO en-wikipedia-org-3892 1 16 search search VB en-wikipedia-org-3892 1 17 This this DT en-wikipedia-org-3892 1 18 article article NN en-wikipedia-org-3892 1 19 is be VBZ en-wikipedia-org-3892 1 20 about about IN en-wikipedia-org-3892 1 21 the the DT en-wikipedia-org-3892 1 22 internal internal JJ en-wikipedia-org-3892 1 23 organ organ NN en-wikipedia-org-3892 1 24 . . . en-wikipedia-org-3892 2 1 For for IN en-wikipedia-org-3892 2 2 other other JJ en-wikipedia-org-3892 2 3 uses use NNS en-wikipedia-org-3892 2 4 , , , en-wikipedia-org-3892 2 5 see see VB en-wikipedia-org-3892 2 6 Heart Heart NNP en-wikipedia-org-3892 2 7 ( ( -LRB- en-wikipedia-org-3892 2 8 disambiguation disambiguation NN en-wikipedia-org-3892 2 9 ) ) -RRB- en-wikipedia-org-3892 2 10 . . . en-wikipedia-org-3892 3 1 " " `` en-wikipedia-org-3892 3 2 Cardiac cardiac JJ en-wikipedia-org-3892 3 3 " " '' en-wikipedia-org-3892 3 4 redirects redirect VBZ en-wikipedia-org-3892 3 5 here here RB en-wikipedia-org-3892 3 6 . . . en-wikipedia-org-3892 4 1 For for IN en-wikipedia-org-3892 4 2 the the DT en-wikipedia-org-3892 4 3 comics comic_strip NNS en-wikipedia-org-3892 4 4 character character NN en-wikipedia-org-3892 4 5 , , , en-wikipedia-org-3892 4 6 see see VB en-wikipedia-org-3892 4 7 Cardiac Cardiac NNP en-wikipedia-org-3892 4 8 ( ( -LRB- en-wikipedia-org-3892 4 9 comics comic_strip NNS en-wikipedia-org-3892 4 10 ) ) -RRB- en-wikipedia-org-3892 4 11 . . . en-wikipedia-org-3892 5 1 Muscular muscular JJ en-wikipedia-org-3892 5 2 organ organ NN en-wikipedia-org-3892 5 3 responsible responsible JJ en-wikipedia-org-3892 5 4 for for IN en-wikipedia-org-3892 5 5 pumping pump VBG en-wikipedia-org-3892 5 6 blood blood NN en-wikipedia-org-3892 5 7 through through IN en-wikipedia-org-3892 5 8 the the DT en-wikipedia-org-3892 5 9 circulatory circulatory JJ en-wikipedia-org-3892 5 10 system system NN en-wikipedia-org-3892 5 11 in in IN en-wikipedia-org-3892 5 12 most most JJS en-wikipedia-org-3892 5 13 animals animal NNS en-wikipedia-org-3892 5 14 Heart heart NN en-wikipedia-org-3892 5 15 The the DT en-wikipedia-org-3892 5 16 human human JJ en-wikipedia-org-3892 5 17 heart heart NN en-wikipedia-org-3892 5 18 Details detail NNS en-wikipedia-org-3892 5 19 System system NN en-wikipedia-org-3892 5 20 Circulatory Circulatory NNP en-wikipedia-org-3892 5 21 Artery Artery NNP en-wikipedia-org-3892 5 22 Aorta,[a Aorta,[a NNS en-wikipedia-org-3892 5 23 ] ] -RRB- en-wikipedia-org-3892 5 24 pulmonary pulmonary JJ en-wikipedia-org-3892 5 25 trunk trunk NN en-wikipedia-org-3892 5 26 and and CC en-wikipedia-org-3892 5 27 right right NN en-wikipedia-org-3892 5 28 and and CC en-wikipedia-org-3892 5 29 left leave VBD en-wikipedia-org-3892 5 30 pulmonary pulmonary NN en-wikipedia-org-3892 5 31 arteries,[b arteries,[b NNP en-wikipedia-org-3892 5 32 ] ] -RRB- en-wikipedia-org-3892 5 33 right right JJ en-wikipedia-org-3892 5 34 coronary coronary JJ en-wikipedia-org-3892 5 35 artery artery NN en-wikipedia-org-3892 5 36 , , , en-wikipedia-org-3892 5 37 left leave VBD en-wikipedia-org-3892 5 38 main main JJ en-wikipedia-org-3892 5 39 coronary coronary JJ en-wikipedia-org-3892 5 40 artery[c artery[c NNP en-wikipedia-org-3892 5 41 ] ] -RRB- en-wikipedia-org-3892 5 42 Vein Vein NNP en-wikipedia-org-3892 5 43 Superior Superior NNP en-wikipedia-org-3892 5 44 vena vena NN en-wikipedia-org-3892 5 45 cava cava NN en-wikipedia-org-3892 5 46 , , , en-wikipedia-org-3892 5 47 inferior inferior JJ en-wikipedia-org-3892 5 48 vena vena NN en-wikipedia-org-3892 5 49 cava,[d cava,[d NNP en-wikipedia-org-3892 5 50 ] ] -RRB- en-wikipedia-org-3892 5 51 right right RB en-wikipedia-org-3892 5 52 and and CC en-wikipedia-org-3892 5 53 left leave VBD en-wikipedia-org-3892 5 54 pulmonary pulmonary NN en-wikipedia-org-3892 5 55 veins,[e veins,[e NNP en-wikipedia-org-3892 5 56 ] ] -RRB- en-wikipedia-org-3892 5 57 great great JJ en-wikipedia-org-3892 5 58 cardiac cardiac NNP en-wikipedia-org-3892 5 59 vein vein NN en-wikipedia-org-3892 5 60 , , , en-wikipedia-org-3892 5 61 middle middle NNP en-wikipedia-org-3892 5 62 cardiac cardiac NNP en-wikipedia-org-3892 5 63 vein vein NNP en-wikipedia-org-3892 5 64 , , , en-wikipedia-org-3892 5 65 small small JJ en-wikipedia-org-3892 5 66 cardiac cardiac NNP en-wikipedia-org-3892 5 67 vein vein NN en-wikipedia-org-3892 5 68 , , , en-wikipedia-org-3892 5 69 anterior anterior NNP en-wikipedia-org-3892 5 70 cardiac cardiac NNP en-wikipedia-org-3892 5 71 veins[f veins[f NNP en-wikipedia-org-3892 5 72 ] ] -RRB- en-wikipedia-org-3892 5 73 Nerve Nerve NNP en-wikipedia-org-3892 5 74 Accelerans Accelerans NNPS en-wikipedia-org-3892 5 75 nerve nerve NN en-wikipedia-org-3892 5 76 , , , en-wikipedia-org-3892 5 77 vagus vagus VBP en-wikipedia-org-3892 5 78 nerve nerve NN en-wikipedia-org-3892 5 79 Identifiers Identifiers NNPS en-wikipedia-org-3892 5 80 Latin Latin NNP en-wikipedia-org-3892 5 81 cor cor NNP en-wikipedia-org-3892 5 82 Greek Greek NNP en-wikipedia-org-3892 5 83 kardía kardía NNP en-wikipedia-org-3892 5 84 ( ( -LRB- en-wikipedia-org-3892 5 85 καρδία καρδία NNP en-wikipedia-org-3892 5 86 ) ) -RRB- en-wikipedia-org-3892 5 87 MeSH mesh JJ en-wikipedia-org-3892 5 88 D006321 d006321 NN en-wikipedia-org-3892 5 89 TA98 TA98 NNP en-wikipedia-org-3892 5 90 A12.1.00.001 a12.1.00.001 IN en-wikipedia-org-3892 5 91 TA2 TA2 NNP en-wikipedia-org-3892 5 92 3932 3932 CD en-wikipedia-org-3892 5 93 Anatomical anatomical JJ en-wikipedia-org-3892 5 94 terminology[edit terminology[edit NN en-wikipedia-org-3892 5 95 on on IN en-wikipedia-org-3892 5 96 Wikidata Wikidata NNP en-wikipedia-org-3892 5 97 ] ] -RRB- en-wikipedia-org-3892 5 98 The the DT en-wikipedia-org-3892 5 99 heart heart NN en-wikipedia-org-3892 5 100 is be VBZ en-wikipedia-org-3892 5 101 a a DT en-wikipedia-org-3892 5 102 muscular muscular JJ en-wikipedia-org-3892 5 103 organ organ NN en-wikipedia-org-3892 5 104 in in IN en-wikipedia-org-3892 5 105 most most JJS en-wikipedia-org-3892 5 106 animals animal NNS en-wikipedia-org-3892 5 107 , , , en-wikipedia-org-3892 5 108 which which WDT en-wikipedia-org-3892 5 109 pumps pump VBZ en-wikipedia-org-3892 5 110 blood blood NN en-wikipedia-org-3892 5 111 through through IN en-wikipedia-org-3892 5 112 the the DT en-wikipedia-org-3892 5 113 blood blood NN en-wikipedia-org-3892 5 114 vessels vessel NNS en-wikipedia-org-3892 5 115 of of IN en-wikipedia-org-3892 5 116 the the DT en-wikipedia-org-3892 5 117 circulatory circulatory JJ en-wikipedia-org-3892 5 118 system system NN en-wikipedia-org-3892 5 119 . . . en-wikipedia-org-3892 6 1 [ [ -LRB- en-wikipedia-org-3892 6 2 1 1 LS en-wikipedia-org-3892 6 3 ] ] -RRB- en-wikipedia-org-3892 6 4 The the DT en-wikipedia-org-3892 6 5 pumped pump VBN en-wikipedia-org-3892 6 6 blood blood NN en-wikipedia-org-3892 6 7 carries carry VBZ en-wikipedia-org-3892 6 8 oxygen oxygen NN en-wikipedia-org-3892 6 9 and and CC en-wikipedia-org-3892 6 10 nutrients nutrient NNS en-wikipedia-org-3892 6 11 to to IN en-wikipedia-org-3892 6 12 the the DT en-wikipedia-org-3892 6 13 body body NN en-wikipedia-org-3892 6 14 , , , en-wikipedia-org-3892 6 15 while while IN en-wikipedia-org-3892 6 16 carrying carry VBG en-wikipedia-org-3892 6 17 metabolic metabolic JJ en-wikipedia-org-3892 6 18 waste waste NN en-wikipedia-org-3892 6 19 such such JJ en-wikipedia-org-3892 6 20 as as IN en-wikipedia-org-3892 6 21 carbon carbon NN en-wikipedia-org-3892 6 22 dioxide dioxide NN en-wikipedia-org-3892 6 23 to to IN en-wikipedia-org-3892 6 24 the the DT en-wikipedia-org-3892 6 25 lungs lung NNS en-wikipedia-org-3892 6 26 . . . en-wikipedia-org-3892 7 1 [ [ -LRB- en-wikipedia-org-3892 7 2 2 2 LS en-wikipedia-org-3892 7 3 ] ] -RRB- en-wikipedia-org-3892 7 4 In in IN en-wikipedia-org-3892 7 5 humans human NNS en-wikipedia-org-3892 7 6 , , , en-wikipedia-org-3892 7 7 the the DT en-wikipedia-org-3892 7 8 heart heart NN en-wikipedia-org-3892 7 9 is be VBZ en-wikipedia-org-3892 7 10 approximately approximately RB en-wikipedia-org-3892 7 11 the the DT en-wikipedia-org-3892 7 12 size size NN en-wikipedia-org-3892 7 13 of of IN en-wikipedia-org-3892 7 14 a a DT en-wikipedia-org-3892 7 15 closed closed JJ en-wikipedia-org-3892 7 16 fist fist NN en-wikipedia-org-3892 7 17 and and CC en-wikipedia-org-3892 7 18 is be VBZ en-wikipedia-org-3892 7 19 located locate VBN en-wikipedia-org-3892 7 20 between between IN en-wikipedia-org-3892 7 21 the the DT en-wikipedia-org-3892 7 22 lungs lung NNS en-wikipedia-org-3892 7 23 , , , en-wikipedia-org-3892 7 24 in in IN en-wikipedia-org-3892 7 25 the the DT en-wikipedia-org-3892 7 26 middle middle JJ en-wikipedia-org-3892 7 27 compartment compartment NN en-wikipedia-org-3892 7 28 of of IN en-wikipedia-org-3892 7 29 the the DT en-wikipedia-org-3892 7 30 chest chest NN en-wikipedia-org-3892 7 31 . . . en-wikipedia-org-3892 8 1 [ [ -LRB- en-wikipedia-org-3892 8 2 3 3 LS en-wikipedia-org-3892 8 3 ] ] -RRB- en-wikipedia-org-3892 8 4 In in IN en-wikipedia-org-3892 8 5 humans human NNS en-wikipedia-org-3892 8 6 , , , en-wikipedia-org-3892 8 7 other other JJ en-wikipedia-org-3892 8 8 mammals mammal NNS en-wikipedia-org-3892 8 9 , , , en-wikipedia-org-3892 8 10 and and CC en-wikipedia-org-3892 8 11 birds bird NNS en-wikipedia-org-3892 8 12 , , , en-wikipedia-org-3892 8 13 the the DT en-wikipedia-org-3892 8 14 heart heart NN en-wikipedia-org-3892 8 15 is be VBZ en-wikipedia-org-3892 8 16 divided divide VBN en-wikipedia-org-3892 8 17 into into IN en-wikipedia-org-3892 8 18 four four CD en-wikipedia-org-3892 8 19 chambers chamber NNS en-wikipedia-org-3892 8 20 : : : en-wikipedia-org-3892 8 21 upper upper JJ en-wikipedia-org-3892 8 22 left left NN en-wikipedia-org-3892 8 23 and and CC en-wikipedia-org-3892 8 24 right right JJ en-wikipedia-org-3892 8 25 atria atria NNP en-wikipedia-org-3892 8 26 and and CC en-wikipedia-org-3892 8 27 lower low JJR en-wikipedia-org-3892 8 28 left leave VBN en-wikipedia-org-3892 8 29 and and CC en-wikipedia-org-3892 8 30 right right JJ en-wikipedia-org-3892 8 31 ventricles ventricle NNS en-wikipedia-org-3892 8 32 . . . en-wikipedia-org-3892 9 1 [ [ -LRB- en-wikipedia-org-3892 9 2 4][5 4][5 NNP en-wikipedia-org-3892 9 3 ] ] -RRB- en-wikipedia-org-3892 9 4 Commonly commonly RB en-wikipedia-org-3892 9 5 the the DT en-wikipedia-org-3892 9 6 right right JJ en-wikipedia-org-3892 9 7 atrium atrium NN en-wikipedia-org-3892 9 8 and and CC en-wikipedia-org-3892 9 9 ventricle ventricle NN en-wikipedia-org-3892 9 10 are be VBP en-wikipedia-org-3892 9 11 referred refer VBN en-wikipedia-org-3892 9 12 together together RB en-wikipedia-org-3892 9 13 as as IN en-wikipedia-org-3892 9 14 the the DT en-wikipedia-org-3892 9 15 right right JJ en-wikipedia-org-3892 9 16 heart heart NN en-wikipedia-org-3892 9 17 and and CC en-wikipedia-org-3892 9 18 their -PRON- PRP$ en-wikipedia-org-3892 9 19 left left JJ en-wikipedia-org-3892 9 20 counterparts counterpart NNS en-wikipedia-org-3892 9 21 as as IN en-wikipedia-org-3892 9 22 the the DT en-wikipedia-org-3892 9 23 left left JJ en-wikipedia-org-3892 9 24 heart heart NN en-wikipedia-org-3892 9 25 . . . en-wikipedia-org-3892 10 1 [ [ -LRB- en-wikipedia-org-3892 10 2 6 6 CD en-wikipedia-org-3892 10 3 ] ] -RRB- en-wikipedia-org-3892 10 4 Fish fish NN en-wikipedia-org-3892 10 5 , , , en-wikipedia-org-3892 10 6 in in IN en-wikipedia-org-3892 10 7 contrast contrast NN en-wikipedia-org-3892 10 8 , , , en-wikipedia-org-3892 10 9 have have VBP en-wikipedia-org-3892 10 10 two two CD en-wikipedia-org-3892 10 11 chambers chamber NNS en-wikipedia-org-3892 10 12 , , , en-wikipedia-org-3892 10 13 an an DT en-wikipedia-org-3892 10 14 atrium atrium NN en-wikipedia-org-3892 10 15 and and CC en-wikipedia-org-3892 10 16 a a DT en-wikipedia-org-3892 10 17 ventricle ventricle NN en-wikipedia-org-3892 10 18 , , , en-wikipedia-org-3892 10 19 while while IN en-wikipedia-org-3892 10 20 reptiles reptile NNS en-wikipedia-org-3892 10 21 have have VBP en-wikipedia-org-3892 10 22 three three CD en-wikipedia-org-3892 10 23 chambers chamber NNS en-wikipedia-org-3892 10 24 . . . en-wikipedia-org-3892 11 1 [ [ -LRB- en-wikipedia-org-3892 11 2 5 5 CD en-wikipedia-org-3892 11 3 ] ] -RRB- en-wikipedia-org-3892 11 4 In in IN en-wikipedia-org-3892 11 5 a a DT en-wikipedia-org-3892 11 6 healthy healthy JJ en-wikipedia-org-3892 11 7 heart heart NN en-wikipedia-org-3892 11 8 blood blood NN en-wikipedia-org-3892 11 9 flows flow VBZ en-wikipedia-org-3892 11 10 one one CD en-wikipedia-org-3892 11 11 way way NN en-wikipedia-org-3892 11 12 through through IN en-wikipedia-org-3892 11 13 the the DT en-wikipedia-org-3892 11 14 heart heart NN en-wikipedia-org-3892 11 15 due due IN en-wikipedia-org-3892 11 16 to to IN en-wikipedia-org-3892 11 17 heart heart NN en-wikipedia-org-3892 11 18 valves valve NNS en-wikipedia-org-3892 11 19 , , , en-wikipedia-org-3892 11 20 which which WDT en-wikipedia-org-3892 11 21 prevent prevent VBP en-wikipedia-org-3892 11 22 backflow backflow NN en-wikipedia-org-3892 11 23 . . . en-wikipedia-org-3892 12 1 [ [ -LRB- en-wikipedia-org-3892 12 2 3 3 LS en-wikipedia-org-3892 12 3 ] ] -RRB- en-wikipedia-org-3892 12 4 The the DT en-wikipedia-org-3892 12 5 heart heart NN en-wikipedia-org-3892 12 6 is be VBZ en-wikipedia-org-3892 12 7 enclosed enclose VBN en-wikipedia-org-3892 12 8 in in IN en-wikipedia-org-3892 12 9 a a DT en-wikipedia-org-3892 12 10 protective protective JJ en-wikipedia-org-3892 12 11 sac sac NN en-wikipedia-org-3892 12 12 , , , en-wikipedia-org-3892 12 13 the the DT en-wikipedia-org-3892 12 14 pericardium pericardium NN en-wikipedia-org-3892 12 15 , , , en-wikipedia-org-3892 12 16 which which WDT en-wikipedia-org-3892 12 17 also also RB en-wikipedia-org-3892 12 18 contains contain VBZ en-wikipedia-org-3892 12 19 a a DT en-wikipedia-org-3892 12 20 small small JJ en-wikipedia-org-3892 12 21 amount amount NN en-wikipedia-org-3892 12 22 of of IN en-wikipedia-org-3892 12 23 fluid fluid NN en-wikipedia-org-3892 12 24 . . . en-wikipedia-org-3892 13 1 The the DT en-wikipedia-org-3892 13 2 wall wall NN en-wikipedia-org-3892 13 3 of of IN en-wikipedia-org-3892 13 4 the the DT en-wikipedia-org-3892 13 5 heart heart NN en-wikipedia-org-3892 13 6 is be VBZ en-wikipedia-org-3892 13 7 made make VBN en-wikipedia-org-3892 13 8 up up RP en-wikipedia-org-3892 13 9 of of IN en-wikipedia-org-3892 13 10 three three CD en-wikipedia-org-3892 13 11 layers layer NNS en-wikipedia-org-3892 13 12 : : : en-wikipedia-org-3892 13 13 epicardium epicardium NN en-wikipedia-org-3892 13 14 , , , en-wikipedia-org-3892 13 15 myocardium myocardium NN en-wikipedia-org-3892 13 16 , , , en-wikipedia-org-3892 13 17 and and CC en-wikipedia-org-3892 13 18 endocardium endocardium NN en-wikipedia-org-3892 13 19 . . . en-wikipedia-org-3892 14 1 [ [ -LRB- en-wikipedia-org-3892 14 2 7 7 LS en-wikipedia-org-3892 14 3 ] ] -RRB- en-wikipedia-org-3892 14 4 The the DT en-wikipedia-org-3892 14 5 heart heart NN en-wikipedia-org-3892 14 6 pumps pump VBZ en-wikipedia-org-3892 14 7 blood blood NN en-wikipedia-org-3892 14 8 with with IN en-wikipedia-org-3892 14 9 a a DT en-wikipedia-org-3892 14 10 rhythm rhythm NN en-wikipedia-org-3892 14 11 determined determine VBN en-wikipedia-org-3892 14 12 by by IN en-wikipedia-org-3892 14 13 a a DT en-wikipedia-org-3892 14 14 group group NN en-wikipedia-org-3892 14 15 of of IN en-wikipedia-org-3892 14 16 pacemaking pacemake VBG en-wikipedia-org-3892 14 17 cells cell NNS en-wikipedia-org-3892 14 18 in in IN en-wikipedia-org-3892 14 19 the the DT en-wikipedia-org-3892 14 20 sinoatrial sinoatrial NNP en-wikipedia-org-3892 14 21 node node NN en-wikipedia-org-3892 14 22 . . . en-wikipedia-org-3892 15 1 These these DT en-wikipedia-org-3892 15 2 generate generate VBP en-wikipedia-org-3892 15 3 a a DT en-wikipedia-org-3892 15 4 current current NN en-wikipedia-org-3892 15 5 that that WDT en-wikipedia-org-3892 15 6 causes cause VBZ en-wikipedia-org-3892 15 7 contraction contraction NN en-wikipedia-org-3892 15 8 of of IN en-wikipedia-org-3892 15 9 the the DT en-wikipedia-org-3892 15 10 heart heart NN en-wikipedia-org-3892 15 11 , , , en-wikipedia-org-3892 15 12 traveling travel VBG en-wikipedia-org-3892 15 13 through through IN en-wikipedia-org-3892 15 14 the the DT en-wikipedia-org-3892 15 15 atrioventricular atrioventricular JJ en-wikipedia-org-3892 15 16 node node NN en-wikipedia-org-3892 15 17 and and CC en-wikipedia-org-3892 15 18 along along IN en-wikipedia-org-3892 15 19 the the DT en-wikipedia-org-3892 15 20 conduction conduction NN en-wikipedia-org-3892 15 21 system system NN en-wikipedia-org-3892 15 22 of of IN en-wikipedia-org-3892 15 23 the the DT en-wikipedia-org-3892 15 24 heart heart NN en-wikipedia-org-3892 15 25 . . . en-wikipedia-org-3892 16 1 The the DT en-wikipedia-org-3892 16 2 heart heart NN en-wikipedia-org-3892 16 3 receives receive VBZ en-wikipedia-org-3892 16 4 blood blood NN en-wikipedia-org-3892 16 5 low low JJ en-wikipedia-org-3892 16 6 in in IN en-wikipedia-org-3892 16 7 oxygen oxygen NN en-wikipedia-org-3892 16 8 from from IN en-wikipedia-org-3892 16 9 the the DT en-wikipedia-org-3892 16 10 systemic systemic JJ en-wikipedia-org-3892 16 11 circulation circulation NN en-wikipedia-org-3892 16 12 , , , en-wikipedia-org-3892 16 13 which which WDT en-wikipedia-org-3892 16 14 enters enter VBZ en-wikipedia-org-3892 16 15 the the DT en-wikipedia-org-3892 16 16 right right JJ en-wikipedia-org-3892 16 17 atrium atrium NN en-wikipedia-org-3892 16 18 from from IN en-wikipedia-org-3892 16 19 the the DT en-wikipedia-org-3892 16 20 superior superior JJ en-wikipedia-org-3892 16 21 and and CC en-wikipedia-org-3892 16 22 inferior inferior JJ en-wikipedia-org-3892 16 23 venae venae NNP en-wikipedia-org-3892 16 24 cavae cavae NNP en-wikipedia-org-3892 16 25 and and CC en-wikipedia-org-3892 16 26 passes pass VBZ en-wikipedia-org-3892 16 27 to to IN en-wikipedia-org-3892 16 28 the the DT en-wikipedia-org-3892 16 29 right right JJ en-wikipedia-org-3892 16 30 ventricle ventricle NN en-wikipedia-org-3892 16 31 . . . en-wikipedia-org-3892 17 1 From from IN en-wikipedia-org-3892 17 2 here here RB en-wikipedia-org-3892 17 3 it -PRON- PRP en-wikipedia-org-3892 17 4 is be VBZ en-wikipedia-org-3892 17 5 pumped pump VBN en-wikipedia-org-3892 17 6 into into IN en-wikipedia-org-3892 17 7 the the DT en-wikipedia-org-3892 17 8 pulmonary pulmonary JJ en-wikipedia-org-3892 17 9 circulation circulation NN en-wikipedia-org-3892 17 10 , , , en-wikipedia-org-3892 17 11 through through IN en-wikipedia-org-3892 17 12 the the DT en-wikipedia-org-3892 17 13 lungs lung NNS en-wikipedia-org-3892 17 14 where where WRB en-wikipedia-org-3892 17 15 it -PRON- PRP en-wikipedia-org-3892 17 16 receives receive VBZ en-wikipedia-org-3892 17 17 oxygen oxygen NN en-wikipedia-org-3892 17 18 and and CC en-wikipedia-org-3892 17 19 gives give VBZ en-wikipedia-org-3892 17 20 off off RP en-wikipedia-org-3892 17 21 carbon carbon NN en-wikipedia-org-3892 17 22 dioxide dioxide NN en-wikipedia-org-3892 17 23 . . . en-wikipedia-org-3892 18 1 Oxygenated oxygenated JJ en-wikipedia-org-3892 18 2 blood blood NN en-wikipedia-org-3892 18 3 then then RB en-wikipedia-org-3892 18 4 returns return VBZ en-wikipedia-org-3892 18 5 to to IN en-wikipedia-org-3892 18 6 the the DT en-wikipedia-org-3892 18 7 left left JJ en-wikipedia-org-3892 18 8 atrium atrium NN en-wikipedia-org-3892 18 9 , , , en-wikipedia-org-3892 18 10 passes pass VBZ en-wikipedia-org-3892 18 11 through through IN en-wikipedia-org-3892 18 12 the the DT en-wikipedia-org-3892 18 13 left left JJ en-wikipedia-org-3892 18 14 ventricle ventricle NN en-wikipedia-org-3892 18 15 and and CC en-wikipedia-org-3892 18 16 is be VBZ en-wikipedia-org-3892 18 17 pumped pump VBN en-wikipedia-org-3892 18 18 out out RP en-wikipedia-org-3892 18 19 through through IN en-wikipedia-org-3892 18 20 the the DT en-wikipedia-org-3892 18 21 aorta aorta NN en-wikipedia-org-3892 18 22 to to IN en-wikipedia-org-3892 18 23 the the DT en-wikipedia-org-3892 18 24 systemic systemic NN en-wikipedia-org-3892 18 25 circulation−where circulation−where , en-wikipedia-org-3892 18 26 the the DT en-wikipedia-org-3892 18 27 oxygen oxygen NN en-wikipedia-org-3892 18 28 is be VBZ en-wikipedia-org-3892 18 29 used use VBN en-wikipedia-org-3892 18 30 and and CC en-wikipedia-org-3892 18 31 metabolized metabolize VBN en-wikipedia-org-3892 18 32 to to IN en-wikipedia-org-3892 18 33 carbon carbon NN en-wikipedia-org-3892 18 34 dioxide dioxide NN en-wikipedia-org-3892 18 35 . . . en-wikipedia-org-3892 19 1 [ [ -LRB- en-wikipedia-org-3892 19 2 8 8 LS en-wikipedia-org-3892 19 3 ] ] -RRB- en-wikipedia-org-3892 19 4 The the DT en-wikipedia-org-3892 19 5 heart heart NN en-wikipedia-org-3892 19 6 beats beat VBZ en-wikipedia-org-3892 19 7 at at IN en-wikipedia-org-3892 19 8 a a DT en-wikipedia-org-3892 19 9 resting resting NN en-wikipedia-org-3892 19 10 rate rate NN en-wikipedia-org-3892 19 11 close close RB en-wikipedia-org-3892 19 12 to to TO en-wikipedia-org-3892 19 13 72 72 CD en-wikipedia-org-3892 19 14 beats beat NNS en-wikipedia-org-3892 19 15 per per IN en-wikipedia-org-3892 19 16 minute minute NN en-wikipedia-org-3892 19 17 . . . en-wikipedia-org-3892 20 1 [ [ -LRB- en-wikipedia-org-3892 20 2 9 9 CD en-wikipedia-org-3892 20 3 ] ] -RRB- en-wikipedia-org-3892 20 4 Exercise exercise NN en-wikipedia-org-3892 20 5 temporarily temporarily RB en-wikipedia-org-3892 20 6 increases increase VBZ en-wikipedia-org-3892 20 7 the the DT en-wikipedia-org-3892 20 8 rate rate NN en-wikipedia-org-3892 20 9 , , , en-wikipedia-org-3892 20 10 but but CC en-wikipedia-org-3892 20 11 lowers lower NNS en-wikipedia-org-3892 20 12 resting rest VBG en-wikipedia-org-3892 20 13 heart heart NN en-wikipedia-org-3892 20 14 rate rate NN en-wikipedia-org-3892 20 15 in in IN en-wikipedia-org-3892 20 16 the the DT en-wikipedia-org-3892 20 17 long long JJ en-wikipedia-org-3892 20 18 term term NN en-wikipedia-org-3892 20 19 , , , en-wikipedia-org-3892 20 20 and and CC en-wikipedia-org-3892 20 21 is be VBZ en-wikipedia-org-3892 20 22 good good JJ en-wikipedia-org-3892 20 23 for for IN en-wikipedia-org-3892 20 24 heart heart NN en-wikipedia-org-3892 20 25 health health NN en-wikipedia-org-3892 20 26 . . . en-wikipedia-org-3892 21 1 [ [ -LRB- en-wikipedia-org-3892 21 2 10 10 CD en-wikipedia-org-3892 21 3 ] ] -RRB- en-wikipedia-org-3892 21 4 Cardiovascular Cardiovascular NNP en-wikipedia-org-3892 21 5 diseases disease NNS en-wikipedia-org-3892 21 6 ( ( -LRB- en-wikipedia-org-3892 21 7 CVD cvd NN en-wikipedia-org-3892 21 8 ) ) -RRB- en-wikipedia-org-3892 21 9 are be VBP en-wikipedia-org-3892 21 10 the the DT en-wikipedia-org-3892 21 11 most most RBS en-wikipedia-org-3892 21 12 common common JJ en-wikipedia-org-3892 21 13 cause cause NN en-wikipedia-org-3892 21 14 of of IN en-wikipedia-org-3892 21 15 death death NN en-wikipedia-org-3892 21 16 globally globally RB en-wikipedia-org-3892 21 17 as as IN en-wikipedia-org-3892 21 18 of of IN en-wikipedia-org-3892 21 19 2008 2008 CD en-wikipedia-org-3892 21 20 , , , en-wikipedia-org-3892 21 21 accounting account VBG en-wikipedia-org-3892 21 22 for for IN en-wikipedia-org-3892 21 23 30 30 CD en-wikipedia-org-3892 21 24 % % NN en-wikipedia-org-3892 21 25 of of IN en-wikipedia-org-3892 21 26 deaths death NNS en-wikipedia-org-3892 21 27 . . . en-wikipedia-org-3892 22 1 [ [ -LRB- en-wikipedia-org-3892 22 2 11][12 11][12 CD en-wikipedia-org-3892 22 3 ] ] -RRB- en-wikipedia-org-3892 22 4 Of of IN en-wikipedia-org-3892 22 5 these these DT en-wikipedia-org-3892 22 6 more more JJR en-wikipedia-org-3892 22 7 than than IN en-wikipedia-org-3892 22 8 three three CD en-wikipedia-org-3892 22 9 - - HYPH en-wikipedia-org-3892 22 10 quarters quarter NNS en-wikipedia-org-3892 22 11 are be VBP en-wikipedia-org-3892 22 12 a a DT en-wikipedia-org-3892 22 13 result result NN en-wikipedia-org-3892 22 14 of of IN en-wikipedia-org-3892 22 15 coronary coronary JJ en-wikipedia-org-3892 22 16 artery artery NN en-wikipedia-org-3892 22 17 disease disease NNP en-wikipedia-org-3892 22 18 and and CC en-wikipedia-org-3892 22 19 stroke stroke NN en-wikipedia-org-3892 22 20 . . . en-wikipedia-org-3892 23 1 [ [ -LRB- en-wikipedia-org-3892 23 2 11 11 CD en-wikipedia-org-3892 23 3 ] ] -RRB- en-wikipedia-org-3892 23 4 Risk risk NN en-wikipedia-org-3892 23 5 factors factor NNS en-wikipedia-org-3892 23 6 include include VBP en-wikipedia-org-3892 23 7 : : : en-wikipedia-org-3892 23 8 smoking smoking NN en-wikipedia-org-3892 23 9 , , , en-wikipedia-org-3892 23 10 being be VBG en-wikipedia-org-3892 23 11 overweight overweight JJ en-wikipedia-org-3892 23 12 , , , en-wikipedia-org-3892 23 13 little little JJ en-wikipedia-org-3892 23 14 exercise exercise NN en-wikipedia-org-3892 23 15 , , , en-wikipedia-org-3892 23 16 high high JJ en-wikipedia-org-3892 23 17 cholesterol cholesterol NN en-wikipedia-org-3892 23 18 , , , en-wikipedia-org-3892 23 19 high high JJ en-wikipedia-org-3892 23 20 blood blood NN en-wikipedia-org-3892 23 21 pressure pressure NN en-wikipedia-org-3892 23 22 , , , en-wikipedia-org-3892 23 23 and and CC en-wikipedia-org-3892 23 24 poorly poorly RB en-wikipedia-org-3892 23 25 controlled control VBN en-wikipedia-org-3892 23 26 diabetes diabete NNS en-wikipedia-org-3892 23 27 , , , en-wikipedia-org-3892 23 28 among among IN en-wikipedia-org-3892 23 29 others other NNS en-wikipedia-org-3892 23 30 . . . en-wikipedia-org-3892 24 1 [ [ -LRB- en-wikipedia-org-3892 24 2 13 13 CD en-wikipedia-org-3892 24 3 ] ] -RRB- en-wikipedia-org-3892 24 4 Cardiovascular Cardiovascular NNP en-wikipedia-org-3892 24 5 diseases disease NNS en-wikipedia-org-3892 24 6 frequently frequently RB en-wikipedia-org-3892 24 7 do do VBP en-wikipedia-org-3892 24 8 not not RB en-wikipedia-org-3892 24 9 have have VB en-wikipedia-org-3892 24 10 symptoms symptom NNS en-wikipedia-org-3892 24 11 or or CC en-wikipedia-org-3892 24 12 may may MD en-wikipedia-org-3892 24 13 cause cause VB en-wikipedia-org-3892 24 14 chest chest NN en-wikipedia-org-3892 24 15 pain pain NN en-wikipedia-org-3892 24 16 or or CC en-wikipedia-org-3892 24 17 shortness shortness NN en-wikipedia-org-3892 24 18 of of IN en-wikipedia-org-3892 24 19 breath breath NN en-wikipedia-org-3892 24 20 . . . en-wikipedia-org-3892 25 1 Diagnosis diagnosis NN en-wikipedia-org-3892 25 2 of of IN en-wikipedia-org-3892 25 3 heart heart NN en-wikipedia-org-3892 25 4 disease disease NN en-wikipedia-org-3892 25 5 is be VBZ en-wikipedia-org-3892 25 6 often often RB en-wikipedia-org-3892 25 7 done do VBN en-wikipedia-org-3892 25 8 by by IN en-wikipedia-org-3892 25 9 the the DT en-wikipedia-org-3892 25 10 taking taking NN en-wikipedia-org-3892 25 11 of of IN en-wikipedia-org-3892 25 12 a a DT en-wikipedia-org-3892 25 13 medical medical JJ en-wikipedia-org-3892 25 14 history history NN en-wikipedia-org-3892 25 15 , , , en-wikipedia-org-3892 25 16 listening listen VBG en-wikipedia-org-3892 25 17 to to IN en-wikipedia-org-3892 25 18 the the DT en-wikipedia-org-3892 25 19 heart heart NN en-wikipedia-org-3892 25 20 - - HYPH en-wikipedia-org-3892 25 21 sounds sound VBZ en-wikipedia-org-3892 25 22 with with IN en-wikipedia-org-3892 25 23 a a DT en-wikipedia-org-3892 25 24 stethoscope stethoscope NN en-wikipedia-org-3892 25 25 , , , en-wikipedia-org-3892 25 26 ECG ECG NNP en-wikipedia-org-3892 25 27 , , , en-wikipedia-org-3892 25 28 and and CC en-wikipedia-org-3892 25 29 ultrasound ultrasound NN en-wikipedia-org-3892 25 30 . . . en-wikipedia-org-3892 26 1 [ [ -LRB- en-wikipedia-org-3892 26 2 3 3 LS en-wikipedia-org-3892 26 3 ] ] -RRB- en-wikipedia-org-3892 26 4 Specialists specialist NNS en-wikipedia-org-3892 26 5 who who WP en-wikipedia-org-3892 26 6 focus focus VBP en-wikipedia-org-3892 26 7 on on IN en-wikipedia-org-3892 26 8 diseases disease NNS en-wikipedia-org-3892 26 9 of of IN en-wikipedia-org-3892 26 10 the the DT en-wikipedia-org-3892 26 11 heart heart NN en-wikipedia-org-3892 26 12 are be VBP en-wikipedia-org-3892 26 13 called call VBN en-wikipedia-org-3892 26 14 cardiologists cardiologist NNS en-wikipedia-org-3892 26 15 , , , en-wikipedia-org-3892 26 16 although although IN en-wikipedia-org-3892 26 17 many many JJ en-wikipedia-org-3892 26 18 specialties specialty NNS en-wikipedia-org-3892 26 19 of of IN en-wikipedia-org-3892 26 20 medicine medicine NN en-wikipedia-org-3892 26 21 may may MD en-wikipedia-org-3892 26 22 be be VB en-wikipedia-org-3892 26 23 involved involve VBN en-wikipedia-org-3892 26 24 in in IN en-wikipedia-org-3892 26 25 treatment treatment NN en-wikipedia-org-3892 26 26 . . . en-wikipedia-org-3892 27 1 [ [ -LRB- en-wikipedia-org-3892 27 2 12 12 CD en-wikipedia-org-3892 27 3 ] ] -RRB- en-wikipedia-org-3892 27 4 Healthy healthy JJ en-wikipedia-org-3892 27 5 resting rest VBG en-wikipedia-org-3892 27 6 heart heart NN en-wikipedia-org-3892 27 7 sounds sound VBZ en-wikipedia-org-3892 27 8 Auscultation auscultation NN en-wikipedia-org-3892 27 9 of of IN en-wikipedia-org-3892 27 10 a a DT en-wikipedia-org-3892 27 11 healthy healthy JJ en-wikipedia-org-3892 27 12 15-year 15-year CD en-wikipedia-org-3892 27 13 - - HYPH en-wikipedia-org-3892 27 14 old old JJ en-wikipedia-org-3892 27 15 's 's POS en-wikipedia-org-3892 27 16 heart heart NN en-wikipedia-org-3892 27 17 beating beat VBG en-wikipedia-org-3892 27 18 with with IN en-wikipedia-org-3892 27 19 no no DT en-wikipedia-org-3892 27 20 abnormalities abnormality NNS en-wikipedia-org-3892 27 21 . . . en-wikipedia-org-3892 28 1 Problems problem NNS en-wikipedia-org-3892 28 2 playing play VBG en-wikipedia-org-3892 28 3 this this DT en-wikipedia-org-3892 28 4 file file NN en-wikipedia-org-3892 28 5 ? ? . en-wikipedia-org-3892 29 1 See see VB en-wikipedia-org-3892 29 2 media medium NNS en-wikipedia-org-3892 29 3 help help NN en-wikipedia-org-3892 29 4 . . . en-wikipedia-org-3892 30 1 Contents content NNS en-wikipedia-org-3892 30 2 1 1 CD en-wikipedia-org-3892 30 3 Structure structure NN en-wikipedia-org-3892 30 4 1.1 1.1 CD en-wikipedia-org-3892 30 5 Location location NN en-wikipedia-org-3892 30 6 and and CC en-wikipedia-org-3892 30 7 shape shape NN en-wikipedia-org-3892 30 8 1.2 1.2 CD en-wikipedia-org-3892 30 9 Chambers Chambers NNPS en-wikipedia-org-3892 30 10 1.2.1 1.2.1 CD en-wikipedia-org-3892 30 11 Valves valve VBZ en-wikipedia-org-3892 30 12 1.2.2 1.2.2 CD en-wikipedia-org-3892 30 13 Right right JJ en-wikipedia-org-3892 30 14 heart heart NN en-wikipedia-org-3892 30 15 1.2.3 1.2.3 VBZ en-wikipedia-org-3892 30 16 Left leave VBD en-wikipedia-org-3892 30 17 heart heart NN en-wikipedia-org-3892 30 18 1.3 1.3 CD en-wikipedia-org-3892 30 19 Heart heart NN en-wikipedia-org-3892 30 20 wall wall NN en-wikipedia-org-3892 30 21 1.4 1.4 CD en-wikipedia-org-3892 30 22 Pericardium Pericardium NNP en-wikipedia-org-3892 30 23 1.5 1.5 CD en-wikipedia-org-3892 30 24 Coronary Coronary NNP en-wikipedia-org-3892 30 25 circulation circulation NN en-wikipedia-org-3892 30 26 1.6 1.6 CD en-wikipedia-org-3892 30 27 Nerve Nerve NNP en-wikipedia-org-3892 30 28 supply supply NN en-wikipedia-org-3892 30 29 2 2 CD en-wikipedia-org-3892 30 30 Development development NN en-wikipedia-org-3892 30 31 3 3 CD en-wikipedia-org-3892 30 32 Physiology Physiology NNP en-wikipedia-org-3892 30 33 3.1 3.1 CD en-wikipedia-org-3892 30 34 Blood blood NN en-wikipedia-org-3892 30 35 flow flow NN en-wikipedia-org-3892 30 36 3.1.1 3.1.1 CD en-wikipedia-org-3892 30 37 Cardiac cardiac JJ en-wikipedia-org-3892 30 38 cycle cycle NN en-wikipedia-org-3892 30 39 3.1.2 3.1.2 CD en-wikipedia-org-3892 30 40 Cardiac cardiac JJ en-wikipedia-org-3892 30 41 output output NN en-wikipedia-org-3892 30 42 3.2 3.2 CD en-wikipedia-org-3892 30 43 Electrical Electrical NNP en-wikipedia-org-3892 30 44 conduction conduction NN en-wikipedia-org-3892 30 45 3.3 3.3 CD en-wikipedia-org-3892 30 46 Heart heart NN en-wikipedia-org-3892 30 47 rate rate NN en-wikipedia-org-3892 30 48 3.3.1 3.3.1 CD en-wikipedia-org-3892 30 49 Influences influence VBZ en-wikipedia-org-3892 30 50 4 4 CD en-wikipedia-org-3892 30 51 Clinical clinical JJ en-wikipedia-org-3892 30 52 significance significance NN en-wikipedia-org-3892 30 53 4.1 4.1 CD en-wikipedia-org-3892 30 54 Diseases disease NNS en-wikipedia-org-3892 30 55 4.1.1 4.1.1 CD en-wikipedia-org-3892 30 56 Ischaemic ischaemic JJ en-wikipedia-org-3892 30 57 heart heart NN en-wikipedia-org-3892 30 58 disease disease NN en-wikipedia-org-3892 30 59 4.1.2 4.1.2 CD en-wikipedia-org-3892 30 60 Heart heart NN en-wikipedia-org-3892 30 61 failure failure NN en-wikipedia-org-3892 30 62 4.1.3 4.1.3 CD en-wikipedia-org-3892 30 63 Cardiomyopathies cardiomyopathy NNS en-wikipedia-org-3892 30 64 4.1.4 4.1.4 CD en-wikipedia-org-3892 30 65 Valvular valvular JJ en-wikipedia-org-3892 30 66 heart heart NN en-wikipedia-org-3892 30 67 disease disease NN en-wikipedia-org-3892 30 68 4.1.5 4.1.5 CD en-wikipedia-org-3892 30 69 Cardiac cardiac JJ en-wikipedia-org-3892 30 70 arrhythmias arrhythmias NN en-wikipedia-org-3892 30 71 4.1.6 4.1.6 VBZ en-wikipedia-org-3892 30 72 Pericardial pericardial JJ en-wikipedia-org-3892 30 73 disease disease NN en-wikipedia-org-3892 30 74 4.1.7 4.1.7 CD en-wikipedia-org-3892 30 75 Congenital congenital JJ en-wikipedia-org-3892 30 76 heart heart NN en-wikipedia-org-3892 30 77 disease disease NN en-wikipedia-org-3892 30 78 4.2 4.2 CD en-wikipedia-org-3892 30 79 Diagnosis diagnosis NN en-wikipedia-org-3892 30 80 4.2.1 4.2.1 CD en-wikipedia-org-3892 30 81 Examination examination NN en-wikipedia-org-3892 30 82 4.2.2 4.2.2 CD en-wikipedia-org-3892 30 83 Heart Heart NNP en-wikipedia-org-3892 30 84 sounds sound VBZ en-wikipedia-org-3892 30 85 4.2.3 4.2.3 NNP en-wikipedia-org-3892 30 86 Blood blood NN en-wikipedia-org-3892 30 87 tests test NNS en-wikipedia-org-3892 30 88 4.2.4 4.2.4 NNP en-wikipedia-org-3892 30 89 Electrocardiogram Electrocardiogram NNP en-wikipedia-org-3892 30 90 4.2.5 4.2.5 NNP en-wikipedia-org-3892 30 91 Imaging Imaging NNP en-wikipedia-org-3892 30 92 4.3 4.3 CD en-wikipedia-org-3892 30 93 Treatment Treatment NNP en-wikipedia-org-3892 30 94 4.3.1 4.3.1 CD en-wikipedia-org-3892 30 95 Ischaemic Ischaemic NNP en-wikipedia-org-3892 30 96 heart heart NN en-wikipedia-org-3892 30 97 disease disease NN en-wikipedia-org-3892 30 98 4.3.2 4.3.2 CD en-wikipedia-org-3892 30 99 Valvular valvular JJ en-wikipedia-org-3892 30 100 heart heart NN en-wikipedia-org-3892 30 101 disease disease NN en-wikipedia-org-3892 30 102 4.3.3 4.3.3 CD en-wikipedia-org-3892 30 103 Cardiac Cardiac NNP en-wikipedia-org-3892 30 104 arrhythmias arrhythmias NN en-wikipedia-org-3892 30 105 4.3.4 4.3.4 CD en-wikipedia-org-3892 30 106 Heart heart NN en-wikipedia-org-3892 30 107 failure failure NN en-wikipedia-org-3892 30 108 5 5 CD en-wikipedia-org-3892 30 109 History history NN en-wikipedia-org-3892 30 110 5.1 5.1 CD en-wikipedia-org-3892 30 111 Ancient Ancient NNP en-wikipedia-org-3892 30 112 5.2 5.2 CD en-wikipedia-org-3892 30 113 Pre pre JJ en-wikipedia-org-3892 30 114 - - JJ en-wikipedia-org-3892 30 115 modern modern JJ en-wikipedia-org-3892 30 116 5.3 5.3 CD en-wikipedia-org-3892 30 117 Modern Modern NNP en-wikipedia-org-3892 30 118 6 6 CD en-wikipedia-org-3892 30 119 Society Society NNP en-wikipedia-org-3892 30 120 and and CC en-wikipedia-org-3892 30 121 culture culture NN en-wikipedia-org-3892 30 122 6.1 6.1 CD en-wikipedia-org-3892 30 123 Symbolism symbolism NN en-wikipedia-org-3892 30 124 6.2 6.2 CD en-wikipedia-org-3892 30 125 Food food NN en-wikipedia-org-3892 30 126 7 7 CD en-wikipedia-org-3892 30 127 Other other JJ en-wikipedia-org-3892 30 128 animals animal NNS en-wikipedia-org-3892 30 129 7.1 7.1 CD en-wikipedia-org-3892 30 130 Other other JJ en-wikipedia-org-3892 30 131 vertebrates vertebrate NNS en-wikipedia-org-3892 30 132 7.2 7.2 CD en-wikipedia-org-3892 30 133 Double double JJ en-wikipedia-org-3892 30 134 circulatory circulatory JJ en-wikipedia-org-3892 30 135 systems system NNS en-wikipedia-org-3892 30 136 7.3 7.3 CD en-wikipedia-org-3892 30 137 The the DT en-wikipedia-org-3892 30 138 fully fully RB en-wikipedia-org-3892 30 139 divided divide VBN en-wikipedia-org-3892 30 140 heart heart NN en-wikipedia-org-3892 30 141 7.4 7.4 CD en-wikipedia-org-3892 30 142 Fish fish NN en-wikipedia-org-3892 30 143 7.5 7.5 CD en-wikipedia-org-3892 30 144 Invertebrates invertebrate VBZ en-wikipedia-org-3892 30 145 8 8 CD en-wikipedia-org-3892 30 146 Additional additional JJ en-wikipedia-org-3892 30 147 images image NNS en-wikipedia-org-3892 30 148 9 9 CD en-wikipedia-org-3892 30 149 Notes note NNS en-wikipedia-org-3892 30 150 10 10 CD en-wikipedia-org-3892 30 151 References reference NNS en-wikipedia-org-3892 30 152 11 11 CD en-wikipedia-org-3892 30 153 Bibliography Bibliography NNP en-wikipedia-org-3892 30 154 12 12 CD en-wikipedia-org-3892 30 155 External external JJ en-wikipedia-org-3892 30 156 links link NNS en-wikipedia-org-3892 30 157 Structure Structure NNP en-wikipedia-org-3892 30 158 Photograph Photograph NNP en-wikipedia-org-3892 30 159 of of IN en-wikipedia-org-3892 30 160 a a DT en-wikipedia-org-3892 30 161 human human JJ en-wikipedia-org-3892 30 162 heart heart NN en-wikipedia-org-3892 30 163 Computer computer NN en-wikipedia-org-3892 30 164 - - HYPH en-wikipedia-org-3892 30 165 generated generate VBN en-wikipedia-org-3892 30 166 animation animation NN en-wikipedia-org-3892 30 167 of of IN en-wikipedia-org-3892 30 168 a a DT en-wikipedia-org-3892 30 169 beating beat VBG en-wikipedia-org-3892 30 170 human human JJ en-wikipedia-org-3892 30 171 heart heart NN en-wikipedia-org-3892 30 172 Play play NN en-wikipedia-org-3892 30 173 media medium NNS en-wikipedia-org-3892 30 174 Cardiology cardiology NN en-wikipedia-org-3892 30 175 Video Video NNP en-wikipedia-org-3892 30 176 Location Location NNP en-wikipedia-org-3892 30 177 and and CC en-wikipedia-org-3892 30 178 shape shape NN en-wikipedia-org-3892 30 179 Play play NN en-wikipedia-org-3892 30 180 media medium NNS en-wikipedia-org-3892 30 181 Real real JJ en-wikipedia-org-3892 30 182 - - HYPH en-wikipedia-org-3892 30 183 time time NN en-wikipedia-org-3892 30 184 MRI mri NN en-wikipedia-org-3892 30 185 of of IN en-wikipedia-org-3892 30 186 the the DT en-wikipedia-org-3892 30 187 human human JJ en-wikipedia-org-3892 30 188 heart heart NN en-wikipedia-org-3892 30 189 The the DT en-wikipedia-org-3892 30 190 human human JJ en-wikipedia-org-3892 30 191 heart heart NN en-wikipedia-org-3892 30 192 is be VBZ en-wikipedia-org-3892 30 193 in in IN en-wikipedia-org-3892 30 194 the the DT en-wikipedia-org-3892 30 195 middle middle NN en-wikipedia-org-3892 30 196 of of IN en-wikipedia-org-3892 30 197 the the DT en-wikipedia-org-3892 30 198 thorax thorax NN en-wikipedia-org-3892 30 199 , , , en-wikipedia-org-3892 30 200 with with IN en-wikipedia-org-3892 30 201 its -PRON- PRP$ en-wikipedia-org-3892 30 202 apex apex NN en-wikipedia-org-3892 30 203 pointing point VBG en-wikipedia-org-3892 30 204 to to IN en-wikipedia-org-3892 30 205 the the DT en-wikipedia-org-3892 30 206 left left NN en-wikipedia-org-3892 30 207 . . . en-wikipedia-org-3892 31 1 [ [ -LRB- en-wikipedia-org-3892 31 2 14 14 CD en-wikipedia-org-3892 31 3 ] ] -RRB- en-wikipedia-org-3892 31 4 The the DT en-wikipedia-org-3892 31 5 human human JJ en-wikipedia-org-3892 31 6 heart heart NN en-wikipedia-org-3892 31 7 is be VBZ en-wikipedia-org-3892 31 8 situated situate VBN en-wikipedia-org-3892 31 9 in in IN en-wikipedia-org-3892 31 10 the the DT en-wikipedia-org-3892 31 11 middle middle JJ en-wikipedia-org-3892 31 12 mediastinum mediastinum NNP en-wikipedia-org-3892 31 13 , , , en-wikipedia-org-3892 31 14 at at IN en-wikipedia-org-3892 31 15 the the DT en-wikipedia-org-3892 31 16 level level NN en-wikipedia-org-3892 31 17 of of IN en-wikipedia-org-3892 31 18 thoracic thoracic NNP en-wikipedia-org-3892 31 19 vertebrae vertebrae NNP en-wikipedia-org-3892 31 20 T5-T8 T5-T8 NNP en-wikipedia-org-3892 31 21 . . . en-wikipedia-org-3892 32 1 A a DT en-wikipedia-org-3892 32 2 double double RB en-wikipedia-org-3892 32 3 - - HYPH en-wikipedia-org-3892 32 4 membraned membraned JJ en-wikipedia-org-3892 32 5 sac sac NN en-wikipedia-org-3892 32 6 called call VBD en-wikipedia-org-3892 32 7 the the DT en-wikipedia-org-3892 32 8 pericardium pericardium NN en-wikipedia-org-3892 32 9 surrounds surround VBZ en-wikipedia-org-3892 32 10 the the DT en-wikipedia-org-3892 32 11 heart heart NN en-wikipedia-org-3892 32 12 and and CC en-wikipedia-org-3892 32 13 attaches attach VBZ en-wikipedia-org-3892 32 14 to to IN en-wikipedia-org-3892 32 15 the the DT en-wikipedia-org-3892 32 16 mediastinum mediastinum NN en-wikipedia-org-3892 32 17 . . . en-wikipedia-org-3892 33 1 [ [ -LRB- en-wikipedia-org-3892 33 2 15 15 CD en-wikipedia-org-3892 33 3 ] ] -RRB- en-wikipedia-org-3892 33 4 The the DT en-wikipedia-org-3892 33 5 back back JJ en-wikipedia-org-3892 33 6 surface surface NN en-wikipedia-org-3892 33 7 of of IN en-wikipedia-org-3892 33 8 the the DT en-wikipedia-org-3892 33 9 heart heart NN en-wikipedia-org-3892 33 10 lies lie VBZ en-wikipedia-org-3892 33 11 near near IN en-wikipedia-org-3892 33 12 the the DT en-wikipedia-org-3892 33 13 vertebral vertebral JJ en-wikipedia-org-3892 33 14 column column NN en-wikipedia-org-3892 33 15 , , , en-wikipedia-org-3892 33 16 and and CC en-wikipedia-org-3892 33 17 the the DT en-wikipedia-org-3892 33 18 front front JJ en-wikipedia-org-3892 33 19 surface surface NN en-wikipedia-org-3892 33 20 sits sit VBZ en-wikipedia-org-3892 33 21 behind behind IN en-wikipedia-org-3892 33 22 the the DT en-wikipedia-org-3892 33 23 sternum sternum NN en-wikipedia-org-3892 33 24 and and CC en-wikipedia-org-3892 33 25 rib rib NN en-wikipedia-org-3892 33 26 cartilages cartilage NNS en-wikipedia-org-3892 33 27 . . . en-wikipedia-org-3892 34 1 [ [ -LRB- en-wikipedia-org-3892 34 2 7 7 LS en-wikipedia-org-3892 34 3 ] ] -RRB- en-wikipedia-org-3892 34 4 The the DT en-wikipedia-org-3892 34 5 upper upper JJ en-wikipedia-org-3892 34 6 part part NN en-wikipedia-org-3892 34 7 of of IN en-wikipedia-org-3892 34 8 the the DT en-wikipedia-org-3892 34 9 heart heart NN en-wikipedia-org-3892 34 10 is be VBZ en-wikipedia-org-3892 34 11 the the DT en-wikipedia-org-3892 34 12 attachment attachment NN en-wikipedia-org-3892 34 13 point point NN en-wikipedia-org-3892 34 14 for for IN en-wikipedia-org-3892 34 15 several several JJ en-wikipedia-org-3892 34 16 large large JJ en-wikipedia-org-3892 34 17 blood blood NN en-wikipedia-org-3892 34 18 vessels vessel NNS en-wikipedia-org-3892 34 19 — — : en-wikipedia-org-3892 34 20 the the DT en-wikipedia-org-3892 34 21 venae venae NNP en-wikipedia-org-3892 34 22 cavae cavae NNP en-wikipedia-org-3892 34 23 , , , en-wikipedia-org-3892 34 24 aorta aorta NNP en-wikipedia-org-3892 34 25 and and CC en-wikipedia-org-3892 34 26 pulmonary pulmonary JJ en-wikipedia-org-3892 34 27 trunk trunk NN en-wikipedia-org-3892 34 28 . . . en-wikipedia-org-3892 35 1 The the DT en-wikipedia-org-3892 35 2 upper upper JJ en-wikipedia-org-3892 35 3 part part NN en-wikipedia-org-3892 35 4 of of IN en-wikipedia-org-3892 35 5 the the DT en-wikipedia-org-3892 35 6 heart heart NN en-wikipedia-org-3892 35 7 is be VBZ en-wikipedia-org-3892 35 8 located locate VBN en-wikipedia-org-3892 35 9 at at IN en-wikipedia-org-3892 35 10 the the DT en-wikipedia-org-3892 35 11 level level NN en-wikipedia-org-3892 35 12 of of IN en-wikipedia-org-3892 35 13 the the DT en-wikipedia-org-3892 35 14 third third JJ en-wikipedia-org-3892 35 15 costal costal JJ en-wikipedia-org-3892 35 16 cartilage cartilage NN en-wikipedia-org-3892 35 17 . . . en-wikipedia-org-3892 36 1 [ [ -LRB- en-wikipedia-org-3892 36 2 7 7 LS en-wikipedia-org-3892 36 3 ] ] -RRB- en-wikipedia-org-3892 36 4 The the DT en-wikipedia-org-3892 36 5 lower low JJR en-wikipedia-org-3892 36 6 tip tip NN en-wikipedia-org-3892 36 7 of of IN en-wikipedia-org-3892 36 8 the the DT en-wikipedia-org-3892 36 9 heart heart NN en-wikipedia-org-3892 36 10 , , , en-wikipedia-org-3892 36 11 the the DT en-wikipedia-org-3892 36 12 apex apex NN en-wikipedia-org-3892 36 13 , , , en-wikipedia-org-3892 36 14 lies lie VBZ en-wikipedia-org-3892 36 15 to to IN en-wikipedia-org-3892 36 16 the the DT en-wikipedia-org-3892 36 17 left left NN en-wikipedia-org-3892 36 18 of of IN en-wikipedia-org-3892 36 19 the the DT en-wikipedia-org-3892 36 20 sternum sternum NN en-wikipedia-org-3892 36 21 ( ( -LRB- en-wikipedia-org-3892 36 22 8 8 CD en-wikipedia-org-3892 36 23 to to TO en-wikipedia-org-3892 36 24 9 9 CD en-wikipedia-org-3892 36 25   _SP en-wikipedia-org-3892 36 26 cm cm NNP en-wikipedia-org-3892 36 27 from from IN en-wikipedia-org-3892 36 28 the the DT en-wikipedia-org-3892 36 29 midsternal midsternal JJ en-wikipedia-org-3892 36 30 line line NN en-wikipedia-org-3892 36 31 ) ) -RRB- en-wikipedia-org-3892 36 32 between between IN en-wikipedia-org-3892 36 33 the the DT en-wikipedia-org-3892 36 34 junction junction NN en-wikipedia-org-3892 36 35 of of IN en-wikipedia-org-3892 36 36 the the DT en-wikipedia-org-3892 36 37 fourth fourth JJ en-wikipedia-org-3892 36 38 and and CC en-wikipedia-org-3892 36 39 fifth fifth JJ en-wikipedia-org-3892 36 40 ribs rib NNS en-wikipedia-org-3892 36 41 near near IN en-wikipedia-org-3892 36 42 their -PRON- PRP$ en-wikipedia-org-3892 36 43 articulation articulation NN en-wikipedia-org-3892 36 44 with with IN en-wikipedia-org-3892 36 45 the the DT en-wikipedia-org-3892 36 46 costal costal JJ en-wikipedia-org-3892 36 47 cartilages cartilage NNS en-wikipedia-org-3892 36 48 . . . en-wikipedia-org-3892 37 1 [ [ -LRB- en-wikipedia-org-3892 37 2 7 7 LS en-wikipedia-org-3892 37 3 ] ] -RRB- en-wikipedia-org-3892 37 4 The the DT en-wikipedia-org-3892 37 5 largest large JJS en-wikipedia-org-3892 37 6 part part NN en-wikipedia-org-3892 37 7 of of IN en-wikipedia-org-3892 37 8 the the DT en-wikipedia-org-3892 37 9 heart heart NN en-wikipedia-org-3892 37 10 is be VBZ en-wikipedia-org-3892 37 11 usually usually RB en-wikipedia-org-3892 37 12 slightly slightly RB en-wikipedia-org-3892 37 13 offset offset VBN en-wikipedia-org-3892 37 14 to to IN en-wikipedia-org-3892 37 15 the the DT en-wikipedia-org-3892 37 16 left left JJ en-wikipedia-org-3892 37 17 side side NN en-wikipedia-org-3892 37 18 of of IN en-wikipedia-org-3892 37 19 the the DT en-wikipedia-org-3892 37 20 chest chest NN en-wikipedia-org-3892 37 21 ( ( -LRB- en-wikipedia-org-3892 37 22 though though IN en-wikipedia-org-3892 37 23 occasionally occasionally RB en-wikipedia-org-3892 37 24 it -PRON- PRP en-wikipedia-org-3892 37 25 may may MD en-wikipedia-org-3892 37 26 be be VB en-wikipedia-org-3892 37 27 offset offset VBN en-wikipedia-org-3892 37 28 to to IN en-wikipedia-org-3892 37 29 the the DT en-wikipedia-org-3892 37 30 right right NN en-wikipedia-org-3892 37 31 ) ) -RRB- en-wikipedia-org-3892 37 32 and and CC en-wikipedia-org-3892 37 33 is be VBZ en-wikipedia-org-3892 37 34 felt feel VBN en-wikipedia-org-3892 37 35 to to TO en-wikipedia-org-3892 37 36 be be VB en-wikipedia-org-3892 37 37 on on IN en-wikipedia-org-3892 37 38 the the DT en-wikipedia-org-3892 37 39 left left NN en-wikipedia-org-3892 37 40 because because IN en-wikipedia-org-3892 37 41 the the DT en-wikipedia-org-3892 37 42 left left JJ en-wikipedia-org-3892 37 43 heart heart NN en-wikipedia-org-3892 37 44 is be VBZ en-wikipedia-org-3892 37 45 stronger strong JJR en-wikipedia-org-3892 37 46 and and CC en-wikipedia-org-3892 37 47 larger large JJR en-wikipedia-org-3892 37 48 , , , en-wikipedia-org-3892 37 49 since since IN en-wikipedia-org-3892 37 50 it -PRON- PRP en-wikipedia-org-3892 37 51 pumps pump VBZ en-wikipedia-org-3892 37 52 to to IN en-wikipedia-org-3892 37 53 all all DT en-wikipedia-org-3892 37 54 body body NN en-wikipedia-org-3892 37 55 parts part NNS en-wikipedia-org-3892 37 56 . . . en-wikipedia-org-3892 38 1 Because because IN en-wikipedia-org-3892 38 2 the the DT en-wikipedia-org-3892 38 3 heart heart NN en-wikipedia-org-3892 38 4 is be VBZ en-wikipedia-org-3892 38 5 between between IN en-wikipedia-org-3892 38 6 the the DT en-wikipedia-org-3892 38 7 lungs lung NNS en-wikipedia-org-3892 38 8 , , , en-wikipedia-org-3892 38 9 the the DT en-wikipedia-org-3892 38 10 left left JJ en-wikipedia-org-3892 38 11 lung lung NN en-wikipedia-org-3892 38 12 is be VBZ en-wikipedia-org-3892 38 13 smaller small JJR en-wikipedia-org-3892 38 14 than than IN en-wikipedia-org-3892 38 15 the the DT en-wikipedia-org-3892 38 16 right right JJ en-wikipedia-org-3892 38 17 lung lung NN en-wikipedia-org-3892 38 18 and and CC en-wikipedia-org-3892 38 19 has have VBZ en-wikipedia-org-3892 38 20 a a DT en-wikipedia-org-3892 38 21 cardiac cardiac JJ en-wikipedia-org-3892 38 22 notch notch NN en-wikipedia-org-3892 38 23 in in IN en-wikipedia-org-3892 38 24 its -PRON- PRP$ en-wikipedia-org-3892 38 25 border border NN en-wikipedia-org-3892 38 26 to to TO en-wikipedia-org-3892 38 27 accommodate accommodate VB en-wikipedia-org-3892 38 28 the the DT en-wikipedia-org-3892 38 29 heart heart NN en-wikipedia-org-3892 38 30 . . . en-wikipedia-org-3892 39 1 [ [ -LRB- en-wikipedia-org-3892 39 2 7 7 LS en-wikipedia-org-3892 39 3 ] ] -RRB- en-wikipedia-org-3892 39 4 The the DT en-wikipedia-org-3892 39 5 heart heart NN en-wikipedia-org-3892 39 6 is be VBZ en-wikipedia-org-3892 39 7 cone cone NN en-wikipedia-org-3892 39 8 - - HYPH en-wikipedia-org-3892 39 9 shaped shape VBN en-wikipedia-org-3892 39 10 , , , en-wikipedia-org-3892 39 11 with with IN en-wikipedia-org-3892 39 12 its -PRON- PRP$ en-wikipedia-org-3892 39 13 base base NN en-wikipedia-org-3892 39 14 positioned position VBN en-wikipedia-org-3892 39 15 upwards upwards RB en-wikipedia-org-3892 39 16 and and CC en-wikipedia-org-3892 39 17 tapering taper VBG en-wikipedia-org-3892 39 18 down down RB en-wikipedia-org-3892 39 19 to to IN en-wikipedia-org-3892 39 20 the the DT en-wikipedia-org-3892 39 21 apex apex NN en-wikipedia-org-3892 39 22 . . . en-wikipedia-org-3892 40 1 [ [ -LRB- en-wikipedia-org-3892 40 2 7 7 LS en-wikipedia-org-3892 40 3 ] ] -RRB- en-wikipedia-org-3892 40 4 An an DT en-wikipedia-org-3892 40 5 adult adult NN en-wikipedia-org-3892 40 6 heart heart NN en-wikipedia-org-3892 40 7 has have VBZ en-wikipedia-org-3892 40 8 a a DT en-wikipedia-org-3892 40 9 mass mass NN en-wikipedia-org-3892 40 10 of of IN en-wikipedia-org-3892 40 11 250–350 250–350 CD en-wikipedia-org-3892 40 12 grams gram NNS en-wikipedia-org-3892 40 13 ( ( -LRB- en-wikipedia-org-3892 40 14 9–12 9–12 NN en-wikipedia-org-3892 40 15   _SP en-wikipedia-org-3892 40 16 oz oz NNP en-wikipedia-org-3892 40 17 ) ) -RRB- en-wikipedia-org-3892 40 18 . . . en-wikipedia-org-3892 41 1 [ [ -LRB- en-wikipedia-org-3892 41 2 16 16 CD en-wikipedia-org-3892 41 3 ] ] -RRB- en-wikipedia-org-3892 41 4 The the DT en-wikipedia-org-3892 41 5 heart heart NN en-wikipedia-org-3892 41 6 is be VBZ en-wikipedia-org-3892 41 7 often often RB en-wikipedia-org-3892 41 8 described describe VBN en-wikipedia-org-3892 41 9 as as IN en-wikipedia-org-3892 41 10 the the DT en-wikipedia-org-3892 41 11 size size NN en-wikipedia-org-3892 41 12 of of IN en-wikipedia-org-3892 41 13 a a DT en-wikipedia-org-3892 41 14 fist fist NN en-wikipedia-org-3892 41 15 : : : en-wikipedia-org-3892 41 16 12 12 CD en-wikipedia-org-3892 41 17   _SP en-wikipedia-org-3892 41 18 cm cm NNP en-wikipedia-org-3892 41 19 ( ( -LRB- en-wikipedia-org-3892 41 20 5 5 CD en-wikipedia-org-3892 41 21   _SP en-wikipedia-org-3892 41 22 in in IN en-wikipedia-org-3892 41 23 ) ) -RRB- en-wikipedia-org-3892 41 24 in in IN en-wikipedia-org-3892 41 25 length length NN en-wikipedia-org-3892 41 26 , , , en-wikipedia-org-3892 41 27 8 8 CD en-wikipedia-org-3892 41 28   _SP en-wikipedia-org-3892 41 29 cm cm NNP en-wikipedia-org-3892 41 30 ( ( -LRB- en-wikipedia-org-3892 41 31 3.5 3.5 CD en-wikipedia-org-3892 41 32   _SP en-wikipedia-org-3892 41 33 in in IN en-wikipedia-org-3892 41 34 ) ) -RRB- en-wikipedia-org-3892 41 35 wide wide JJ en-wikipedia-org-3892 41 36 , , , en-wikipedia-org-3892 41 37 and and CC en-wikipedia-org-3892 41 38 6 6 CD en-wikipedia-org-3892 41 39   _SP en-wikipedia-org-3892 41 40 cm cm NNP en-wikipedia-org-3892 41 41 ( ( -LRB- en-wikipedia-org-3892 41 42 2.5 2.5 CD en-wikipedia-org-3892 41 43   _SP en-wikipedia-org-3892 41 44 in in IN en-wikipedia-org-3892 41 45 ) ) -RRB- en-wikipedia-org-3892 41 46 in in IN en-wikipedia-org-3892 41 47 thickness,[7 thickness,[7 NNP en-wikipedia-org-3892 41 48 ] ] -RRB- en-wikipedia-org-3892 41 49 although although IN en-wikipedia-org-3892 41 50 this this DT en-wikipedia-org-3892 41 51 description description NN en-wikipedia-org-3892 41 52 is be VBZ en-wikipedia-org-3892 41 53 disputed dispute VBN en-wikipedia-org-3892 41 54 , , , en-wikipedia-org-3892 41 55 as as IN en-wikipedia-org-3892 41 56 the the DT en-wikipedia-org-3892 41 57 heart heart NN en-wikipedia-org-3892 41 58 is be VBZ en-wikipedia-org-3892 41 59 likely likely JJ en-wikipedia-org-3892 41 60 to to TO en-wikipedia-org-3892 41 61 be be VB en-wikipedia-org-3892 41 62 slightly slightly RB en-wikipedia-org-3892 41 63 larger large JJR en-wikipedia-org-3892 41 64 . . . en-wikipedia-org-3892 42 1 [ [ -LRB- en-wikipedia-org-3892 42 2 17 17 CD en-wikipedia-org-3892 42 3 ] ] -RRB- en-wikipedia-org-3892 42 4 Well well RB en-wikipedia-org-3892 42 5 - - HYPH en-wikipedia-org-3892 42 6 trained train VBN en-wikipedia-org-3892 42 7 athletes athlete NNS en-wikipedia-org-3892 42 8 can can MD en-wikipedia-org-3892 42 9 have have VB en-wikipedia-org-3892 42 10 much much RB en-wikipedia-org-3892 42 11 larger large JJR en-wikipedia-org-3892 42 12 hearts heart NNS en-wikipedia-org-3892 42 13 due due IN en-wikipedia-org-3892 42 14 to to IN en-wikipedia-org-3892 42 15 the the DT en-wikipedia-org-3892 42 16 effects effect NNS en-wikipedia-org-3892 42 17 of of IN en-wikipedia-org-3892 42 18 exercise exercise NN en-wikipedia-org-3892 42 19 on on IN en-wikipedia-org-3892 42 20 the the DT en-wikipedia-org-3892 42 21 heart heart NN en-wikipedia-org-3892 42 22 muscle muscle NN en-wikipedia-org-3892 42 23 , , , en-wikipedia-org-3892 42 24 similar similar JJ en-wikipedia-org-3892 42 25 to to IN en-wikipedia-org-3892 42 26 the the DT en-wikipedia-org-3892 42 27 response response NN en-wikipedia-org-3892 42 28 of of IN en-wikipedia-org-3892 42 29 skeletal skeletal JJ en-wikipedia-org-3892 42 30 muscle muscle NN en-wikipedia-org-3892 42 31 . . . en-wikipedia-org-3892 43 1 [ [ -LRB- en-wikipedia-org-3892 43 2 7 7 CD en-wikipedia-org-3892 43 3 ] ] -RRB- en-wikipedia-org-3892 43 4 Chambers Chambers NNP en-wikipedia-org-3892 43 5 Heart Heart NNP en-wikipedia-org-3892 43 6 being be VBG en-wikipedia-org-3892 43 7 dissected dissect VBN en-wikipedia-org-3892 43 8 showing show VBG en-wikipedia-org-3892 43 9 right right RB en-wikipedia-org-3892 43 10 and and CC en-wikipedia-org-3892 43 11 left leave VBD en-wikipedia-org-3892 43 12 ventricles ventricle NNS en-wikipedia-org-3892 43 13 , , , en-wikipedia-org-3892 43 14 from from IN en-wikipedia-org-3892 43 15 above above IN en-wikipedia-org-3892 43 16 The the DT en-wikipedia-org-3892 43 17 heart heart NN en-wikipedia-org-3892 43 18 has have VBZ en-wikipedia-org-3892 43 19 four four CD en-wikipedia-org-3892 43 20 chambers chamber NNS en-wikipedia-org-3892 43 21 , , , en-wikipedia-org-3892 43 22 two two CD en-wikipedia-org-3892 43 23 upper upper JJ en-wikipedia-org-3892 43 24 atria atria NNP en-wikipedia-org-3892 43 25 , , , en-wikipedia-org-3892 43 26 the the DT en-wikipedia-org-3892 43 27 receiving receive VBG en-wikipedia-org-3892 43 28 chambers chamber NNS en-wikipedia-org-3892 43 29 , , , en-wikipedia-org-3892 43 30 and and CC en-wikipedia-org-3892 43 31 two two CD en-wikipedia-org-3892 43 32 lower low JJR en-wikipedia-org-3892 43 33 ventricles ventricle NNS en-wikipedia-org-3892 43 34 , , , en-wikipedia-org-3892 43 35 the the DT en-wikipedia-org-3892 43 36 discharging discharging NN en-wikipedia-org-3892 43 37 chambers chamber NNS en-wikipedia-org-3892 43 38 . . . en-wikipedia-org-3892 44 1 The the DT en-wikipedia-org-3892 44 2 atria atria NNP en-wikipedia-org-3892 44 3 open open JJ en-wikipedia-org-3892 44 4 into into IN en-wikipedia-org-3892 44 5 the the DT en-wikipedia-org-3892 44 6 ventricles ventricle NNS en-wikipedia-org-3892 44 7 via via IN en-wikipedia-org-3892 44 8 the the DT en-wikipedia-org-3892 44 9 atrioventricular atrioventricular JJ en-wikipedia-org-3892 44 10 valves valve NNS en-wikipedia-org-3892 44 11 , , , en-wikipedia-org-3892 44 12 present present JJ en-wikipedia-org-3892 44 13 in in IN en-wikipedia-org-3892 44 14 the the DT en-wikipedia-org-3892 44 15 atrioventricular atrioventricular JJ en-wikipedia-org-3892 44 16 septum septum NN en-wikipedia-org-3892 44 17 . . . en-wikipedia-org-3892 45 1 This this DT en-wikipedia-org-3892 45 2 distinction distinction NN en-wikipedia-org-3892 45 3 is be VBZ en-wikipedia-org-3892 45 4 visible visible JJ en-wikipedia-org-3892 45 5 also also RB en-wikipedia-org-3892 45 6 on on IN en-wikipedia-org-3892 45 7 the the DT en-wikipedia-org-3892 45 8 surface surface NN en-wikipedia-org-3892 45 9 of of IN en-wikipedia-org-3892 45 10 the the DT en-wikipedia-org-3892 45 11 heart heart NN en-wikipedia-org-3892 45 12 as as IN en-wikipedia-org-3892 45 13 the the DT en-wikipedia-org-3892 45 14 coronary coronary JJ en-wikipedia-org-3892 45 15 sulcus sulcus NN en-wikipedia-org-3892 45 16 . . . en-wikipedia-org-3892 46 1 [ [ -LRB- en-wikipedia-org-3892 46 2 18 18 CD en-wikipedia-org-3892 46 3 ] ] -RRB- en-wikipedia-org-3892 46 4 There there EX en-wikipedia-org-3892 46 5 is be VBZ en-wikipedia-org-3892 46 6 an an DT en-wikipedia-org-3892 46 7 ear ear NN en-wikipedia-org-3892 46 8 - - HYPH en-wikipedia-org-3892 46 9 shaped shaped JJ en-wikipedia-org-3892 46 10 structure structure NN en-wikipedia-org-3892 46 11 in in IN en-wikipedia-org-3892 46 12 the the DT en-wikipedia-org-3892 46 13 upper upper JJ en-wikipedia-org-3892 46 14 right right NN en-wikipedia-org-3892 46 15 atrium atrium NN en-wikipedia-org-3892 46 16 called call VBD en-wikipedia-org-3892 46 17 the the DT en-wikipedia-org-3892 46 18 right right JJ en-wikipedia-org-3892 46 19 atrial atrial JJ en-wikipedia-org-3892 46 20 appendage appendage NN en-wikipedia-org-3892 46 21 , , , en-wikipedia-org-3892 46 22 or or CC en-wikipedia-org-3892 46 23 auricle auricle NN en-wikipedia-org-3892 46 24 , , , en-wikipedia-org-3892 46 25 and and CC en-wikipedia-org-3892 46 26 another another DT en-wikipedia-org-3892 46 27 in in IN en-wikipedia-org-3892 46 28 the the DT en-wikipedia-org-3892 46 29 upper upper JJ en-wikipedia-org-3892 46 30 left left NN en-wikipedia-org-3892 46 31 atrium atrium NN en-wikipedia-org-3892 46 32 , , , en-wikipedia-org-3892 46 33 the the DT en-wikipedia-org-3892 46 34 left left JJ en-wikipedia-org-3892 46 35 atrial atrial JJ en-wikipedia-org-3892 46 36 appendage appendage NN en-wikipedia-org-3892 46 37 . . . en-wikipedia-org-3892 47 1 [ [ -LRB- en-wikipedia-org-3892 47 2 19 19 CD en-wikipedia-org-3892 47 3 ] ] -RRB- en-wikipedia-org-3892 47 4 The the DT en-wikipedia-org-3892 47 5 right right NN en-wikipedia-org-3892 47 6 atrium atrium NN en-wikipedia-org-3892 47 7 and and CC en-wikipedia-org-3892 47 8 the the DT en-wikipedia-org-3892 47 9 right right JJ en-wikipedia-org-3892 47 10 ventricle ventricle NN en-wikipedia-org-3892 47 11 together together RB en-wikipedia-org-3892 47 12 are be VBP en-wikipedia-org-3892 47 13 sometimes sometimes RB en-wikipedia-org-3892 47 14 referred refer VBN en-wikipedia-org-3892 47 15 to to IN en-wikipedia-org-3892 47 16 as as IN en-wikipedia-org-3892 47 17 the the DT en-wikipedia-org-3892 47 18 right right JJ en-wikipedia-org-3892 47 19 heart heart NN en-wikipedia-org-3892 47 20 . . . en-wikipedia-org-3892 48 1 Similarly similarly RB en-wikipedia-org-3892 48 2 , , , en-wikipedia-org-3892 48 3 the the DT en-wikipedia-org-3892 48 4 left left JJ en-wikipedia-org-3892 48 5 atrium atrium NN en-wikipedia-org-3892 48 6 and and CC en-wikipedia-org-3892 48 7 the the DT en-wikipedia-org-3892 48 8 left left JJ en-wikipedia-org-3892 48 9 ventricle ventricle NN en-wikipedia-org-3892 48 10 together together RB en-wikipedia-org-3892 48 11 are be VBP en-wikipedia-org-3892 48 12 sometimes sometimes RB en-wikipedia-org-3892 48 13 referred refer VBN en-wikipedia-org-3892 48 14 to to IN en-wikipedia-org-3892 48 15 as as IN en-wikipedia-org-3892 48 16 the the DT en-wikipedia-org-3892 48 17 left left JJ en-wikipedia-org-3892 48 18 heart heart NN en-wikipedia-org-3892 48 19 . . . en-wikipedia-org-3892 49 1 [ [ -LRB- en-wikipedia-org-3892 49 2 6 6 CD en-wikipedia-org-3892 49 3 ] ] -RRB- en-wikipedia-org-3892 49 4 The the DT en-wikipedia-org-3892 49 5 ventricles ventricle NNS en-wikipedia-org-3892 49 6 are be VBP en-wikipedia-org-3892 49 7 separated separate VBN en-wikipedia-org-3892 49 8 from from IN en-wikipedia-org-3892 49 9 each each DT en-wikipedia-org-3892 49 10 other other JJ en-wikipedia-org-3892 49 11 by by IN en-wikipedia-org-3892 49 12 the the DT en-wikipedia-org-3892 49 13 interventricular interventricular JJ en-wikipedia-org-3892 49 14 septum septum NN en-wikipedia-org-3892 49 15 , , , en-wikipedia-org-3892 49 16 visible visible JJ en-wikipedia-org-3892 49 17 on on IN en-wikipedia-org-3892 49 18 the the DT en-wikipedia-org-3892 49 19 surface surface NN en-wikipedia-org-3892 49 20 of of IN en-wikipedia-org-3892 49 21 the the DT en-wikipedia-org-3892 49 22 heart heart NN en-wikipedia-org-3892 49 23 as as IN en-wikipedia-org-3892 49 24 the the DT en-wikipedia-org-3892 49 25 anterior anterior NNP en-wikipedia-org-3892 49 26 longitudinal longitudinal NNP en-wikipedia-org-3892 49 27 sulcus sulcus NNP en-wikipedia-org-3892 49 28 and and CC en-wikipedia-org-3892 49 29 the the DT en-wikipedia-org-3892 49 30 posterior posterior NNP en-wikipedia-org-3892 49 31 interventricular interventricular NNP en-wikipedia-org-3892 49 32 sulcus sulcus NN en-wikipedia-org-3892 49 33 . . . en-wikipedia-org-3892 50 1 [ [ -LRB- en-wikipedia-org-3892 50 2 18 18 CD en-wikipedia-org-3892 50 3 ] ] -RRB- en-wikipedia-org-3892 50 4 The the DT en-wikipedia-org-3892 50 5 cardiac cardiac JJ en-wikipedia-org-3892 50 6 skeleton skeleton NN en-wikipedia-org-3892 50 7 is be VBZ en-wikipedia-org-3892 50 8 made make VBN en-wikipedia-org-3892 50 9 of of IN en-wikipedia-org-3892 50 10 dense dense JJ en-wikipedia-org-3892 50 11 connective connective JJ en-wikipedia-org-3892 50 12 tissue tissue NN en-wikipedia-org-3892 50 13 and and CC en-wikipedia-org-3892 50 14 this this DT en-wikipedia-org-3892 50 15 gives give VBZ en-wikipedia-org-3892 50 16 structure structure NN en-wikipedia-org-3892 50 17 to to IN en-wikipedia-org-3892 50 18 the the DT en-wikipedia-org-3892 50 19 heart heart NN en-wikipedia-org-3892 50 20 . . . en-wikipedia-org-3892 51 1 It -PRON- PRP en-wikipedia-org-3892 51 2 forms form VBZ en-wikipedia-org-3892 51 3 the the DT en-wikipedia-org-3892 51 4 atrioventricular atrioventricular JJ en-wikipedia-org-3892 51 5 septum septum NN en-wikipedia-org-3892 51 6 which which WDT en-wikipedia-org-3892 51 7 separates separate VBZ en-wikipedia-org-3892 51 8 the the DT en-wikipedia-org-3892 51 9 atria atria NNP en-wikipedia-org-3892 51 10 from from IN en-wikipedia-org-3892 51 11 the the DT en-wikipedia-org-3892 51 12 ventricles ventricle NNS en-wikipedia-org-3892 51 13 , , , en-wikipedia-org-3892 51 14 and and CC en-wikipedia-org-3892 51 15 the the DT en-wikipedia-org-3892 51 16 fibrous fibrous JJ en-wikipedia-org-3892 51 17 rings ring NNS en-wikipedia-org-3892 51 18 which which WDT en-wikipedia-org-3892 51 19 serve serve VBP en-wikipedia-org-3892 51 20 as as IN en-wikipedia-org-3892 51 21 bases basis NNS en-wikipedia-org-3892 51 22 for for IN en-wikipedia-org-3892 51 23 the the DT en-wikipedia-org-3892 51 24 four four CD en-wikipedia-org-3892 51 25 heart heart NN en-wikipedia-org-3892 51 26 valves valve NNS en-wikipedia-org-3892 51 27 . . . en-wikipedia-org-3892 52 1 [ [ -LRB- en-wikipedia-org-3892 52 2 20 20 CD en-wikipedia-org-3892 52 3 ] ] -RRB- en-wikipedia-org-3892 52 4 The the DT en-wikipedia-org-3892 52 5 cardiac cardiac JJ en-wikipedia-org-3892 52 6 skeleton skeleton NN en-wikipedia-org-3892 52 7 also also RB en-wikipedia-org-3892 52 8 provides provide VBZ en-wikipedia-org-3892 52 9 an an DT en-wikipedia-org-3892 52 10 important important JJ en-wikipedia-org-3892 52 11 boundary boundary NN en-wikipedia-org-3892 52 12 in in IN en-wikipedia-org-3892 52 13 the the DT en-wikipedia-org-3892 52 14 heart heart NN en-wikipedia-org-3892 52 15 's 's POS en-wikipedia-org-3892 52 16 electrical electrical JJ en-wikipedia-org-3892 52 17 conduction conduction NN en-wikipedia-org-3892 52 18 system system NN en-wikipedia-org-3892 52 19 since since IN en-wikipedia-org-3892 52 20 collagen collagen NN en-wikipedia-org-3892 52 21 can can MD en-wikipedia-org-3892 52 22 not not RB en-wikipedia-org-3892 52 23 conduct conduct VB en-wikipedia-org-3892 52 24 electricity electricity NN en-wikipedia-org-3892 52 25 . . . en-wikipedia-org-3892 53 1 The the DT en-wikipedia-org-3892 53 2 interatrial interatrial JJ en-wikipedia-org-3892 53 3 septum septum NN en-wikipedia-org-3892 53 4 separates separate VBZ en-wikipedia-org-3892 53 5 the the DT en-wikipedia-org-3892 53 6 atria atria NNP en-wikipedia-org-3892 53 7 and and CC en-wikipedia-org-3892 53 8 the the DT en-wikipedia-org-3892 53 9 interventricular interventricular JJ en-wikipedia-org-3892 53 10 septum septum NN en-wikipedia-org-3892 53 11 separates separate VBZ en-wikipedia-org-3892 53 12 the the DT en-wikipedia-org-3892 53 13 ventricles ventricle NNS en-wikipedia-org-3892 53 14 . . . en-wikipedia-org-3892 54 1 [ [ -LRB- en-wikipedia-org-3892 54 2 7 7 LS en-wikipedia-org-3892 54 3 ] ] -RRB- en-wikipedia-org-3892 54 4 The the DT en-wikipedia-org-3892 54 5 interventricular interventricular JJ en-wikipedia-org-3892 54 6 septum septum NN en-wikipedia-org-3892 54 7 is be VBZ en-wikipedia-org-3892 54 8 much much RB en-wikipedia-org-3892 54 9 thicker thick JJR en-wikipedia-org-3892 54 10 than than IN en-wikipedia-org-3892 54 11 the the DT en-wikipedia-org-3892 54 12 interatrial interatrial JJ en-wikipedia-org-3892 54 13 septum septum NN en-wikipedia-org-3892 54 14 , , , en-wikipedia-org-3892 54 15 since since IN en-wikipedia-org-3892 54 16 the the DT en-wikipedia-org-3892 54 17 ventricles ventricle NNS en-wikipedia-org-3892 54 18 need need VBP en-wikipedia-org-3892 54 19 to to TO en-wikipedia-org-3892 54 20 generate generate VB en-wikipedia-org-3892 54 21 greater great JJR en-wikipedia-org-3892 54 22 pressure pressure NN en-wikipedia-org-3892 54 23 when when WRB en-wikipedia-org-3892 54 24 they -PRON- PRP en-wikipedia-org-3892 54 25 contract contract VBP en-wikipedia-org-3892 54 26 . . . en-wikipedia-org-3892 55 1 [ [ -LRB- en-wikipedia-org-3892 55 2 7 7 LS en-wikipedia-org-3892 55 3 ] ] -RRB- en-wikipedia-org-3892 55 4 Valves valve VBZ en-wikipedia-org-3892 55 5 Main Main NNP en-wikipedia-org-3892 55 6 article article NN en-wikipedia-org-3892 55 7 : : : en-wikipedia-org-3892 55 8 Heart heart NN en-wikipedia-org-3892 55 9 valves valve VBZ en-wikipedia-org-3892 55 10 With with IN en-wikipedia-org-3892 55 11 the the DT en-wikipedia-org-3892 55 12 atria atria NNP en-wikipedia-org-3892 55 13 and and CC en-wikipedia-org-3892 55 14 major major JJ en-wikipedia-org-3892 55 15 vessels vessel NNS en-wikipedia-org-3892 55 16 removed remove VBN en-wikipedia-org-3892 55 17 , , , en-wikipedia-org-3892 55 18 all all DT en-wikipedia-org-3892 55 19 four four CD en-wikipedia-org-3892 55 20 valves valve NNS en-wikipedia-org-3892 55 21 are be VBP en-wikipedia-org-3892 55 22 clearly clearly RB en-wikipedia-org-3892 55 23 visible visible JJ en-wikipedia-org-3892 55 24 . . . en-wikipedia-org-3892 56 1 [ [ -LRB- en-wikipedia-org-3892 56 2 7 7 LS en-wikipedia-org-3892 56 3 ] ] -RRB- en-wikipedia-org-3892 56 4 The the DT en-wikipedia-org-3892 56 5 heart heart NN en-wikipedia-org-3892 56 6 , , , en-wikipedia-org-3892 56 7 showing show VBG en-wikipedia-org-3892 56 8 valves valve NNS en-wikipedia-org-3892 56 9 , , , en-wikipedia-org-3892 56 10 arteries artery NNS en-wikipedia-org-3892 56 11 and and CC en-wikipedia-org-3892 56 12 veins vein NNS en-wikipedia-org-3892 56 13 . . . en-wikipedia-org-3892 57 1 The the DT en-wikipedia-org-3892 57 2 white white JJ en-wikipedia-org-3892 57 3 arrows arrow NNS en-wikipedia-org-3892 57 4 show show VBP en-wikipedia-org-3892 57 5 the the DT en-wikipedia-org-3892 57 6 normal normal JJ en-wikipedia-org-3892 57 7 direction direction NN en-wikipedia-org-3892 57 8 of of IN en-wikipedia-org-3892 57 9 blood blood NN en-wikipedia-org-3892 57 10 flow flow NN en-wikipedia-org-3892 57 11 . . . en-wikipedia-org-3892 58 1 Frontal frontal JJ en-wikipedia-org-3892 58 2 section section NN en-wikipedia-org-3892 58 3 showing show VBG en-wikipedia-org-3892 58 4 papillary papillary JJ en-wikipedia-org-3892 58 5 muscles muscle NNS en-wikipedia-org-3892 58 6 attached attach VBN en-wikipedia-org-3892 58 7 to to IN en-wikipedia-org-3892 58 8 the the DT en-wikipedia-org-3892 58 9 tricuspid tricuspid NN en-wikipedia-org-3892 58 10 valve valve NN en-wikipedia-org-3892 58 11 on on IN en-wikipedia-org-3892 58 12 the the DT en-wikipedia-org-3892 58 13 right right NN en-wikipedia-org-3892 58 14 and and CC en-wikipedia-org-3892 58 15 to to IN en-wikipedia-org-3892 58 16 the the DT en-wikipedia-org-3892 58 17 mitral mitral JJ en-wikipedia-org-3892 58 18 valve valve NN en-wikipedia-org-3892 58 19 on on IN en-wikipedia-org-3892 58 20 the the DT en-wikipedia-org-3892 58 21 left left NN en-wikipedia-org-3892 58 22 via via IN en-wikipedia-org-3892 58 23 chordae chordae NN en-wikipedia-org-3892 58 24 tendineae tendineae NNS en-wikipedia-org-3892 58 25 . . . en-wikipedia-org-3892 59 1 [ [ -LRB- en-wikipedia-org-3892 59 2 7 7 LS en-wikipedia-org-3892 59 3 ] ] -RRB- en-wikipedia-org-3892 59 4 The the DT en-wikipedia-org-3892 59 5 heart heart NN en-wikipedia-org-3892 59 6 has have VBZ en-wikipedia-org-3892 59 7 four four CD en-wikipedia-org-3892 59 8 valves valve NNS en-wikipedia-org-3892 59 9 , , , en-wikipedia-org-3892 59 10 which which WDT en-wikipedia-org-3892 59 11 separate separate VBP en-wikipedia-org-3892 59 12 its -PRON- PRP$ en-wikipedia-org-3892 59 13 chambers chamber NNS en-wikipedia-org-3892 59 14 . . . en-wikipedia-org-3892 60 1 One one CD en-wikipedia-org-3892 60 2 valve valve NN en-wikipedia-org-3892 60 3 lies lie VBZ en-wikipedia-org-3892 60 4 between between IN en-wikipedia-org-3892 60 5 each each DT en-wikipedia-org-3892 60 6 atrium atrium NN en-wikipedia-org-3892 60 7 and and CC en-wikipedia-org-3892 60 8 ventricle ventricle NN en-wikipedia-org-3892 60 9 , , , en-wikipedia-org-3892 60 10 and and CC en-wikipedia-org-3892 60 11 one one CD en-wikipedia-org-3892 60 12 valve valve NN en-wikipedia-org-3892 60 13 rests rest VBZ en-wikipedia-org-3892 60 14 at at IN en-wikipedia-org-3892 60 15 the the DT en-wikipedia-org-3892 60 16 exit exit NN en-wikipedia-org-3892 60 17 of of IN en-wikipedia-org-3892 60 18 each each DT en-wikipedia-org-3892 60 19 ventricle ventricle NN en-wikipedia-org-3892 60 20 . . . en-wikipedia-org-3892 61 1 [ [ -LRB- en-wikipedia-org-3892 61 2 7 7 LS en-wikipedia-org-3892 61 3 ] ] -RRB- en-wikipedia-org-3892 61 4 The the DT en-wikipedia-org-3892 61 5 valves valve NNS en-wikipedia-org-3892 61 6 between between IN en-wikipedia-org-3892 61 7 the the DT en-wikipedia-org-3892 61 8 atria atria NNP en-wikipedia-org-3892 61 9 and and CC en-wikipedia-org-3892 61 10 ventricles ventricle NNS en-wikipedia-org-3892 61 11 are be VBP en-wikipedia-org-3892 61 12 called call VBN en-wikipedia-org-3892 61 13 the the DT en-wikipedia-org-3892 61 14 atrioventricular atrioventricular JJ en-wikipedia-org-3892 61 15 valves valve NNS en-wikipedia-org-3892 61 16 . . . en-wikipedia-org-3892 62 1 Between between IN en-wikipedia-org-3892 62 2 the the DT en-wikipedia-org-3892 62 3 right right JJ en-wikipedia-org-3892 62 4 atrium atrium NN en-wikipedia-org-3892 62 5 and and CC en-wikipedia-org-3892 62 6 the the DT en-wikipedia-org-3892 62 7 right right JJ en-wikipedia-org-3892 62 8 ventricle ventricle NN en-wikipedia-org-3892 62 9 is be VBZ en-wikipedia-org-3892 62 10 the the DT en-wikipedia-org-3892 62 11 tricuspid tricuspid NN en-wikipedia-org-3892 62 12 valve valve NN en-wikipedia-org-3892 62 13 . . . en-wikipedia-org-3892 63 1 The the DT en-wikipedia-org-3892 63 2 tricuspid tricuspid NN en-wikipedia-org-3892 63 3 valve valve NN en-wikipedia-org-3892 63 4 has have VBZ en-wikipedia-org-3892 63 5 three three CD en-wikipedia-org-3892 63 6 cusps,[21 cusps,[21 CD en-wikipedia-org-3892 63 7 ] ] -RRB- en-wikipedia-org-3892 63 8 which which WDT en-wikipedia-org-3892 63 9 connect connect VBP en-wikipedia-org-3892 63 10 to to TO en-wikipedia-org-3892 63 11 chordae chordae VB en-wikipedia-org-3892 63 12 tendinae tendinae NN en-wikipedia-org-3892 63 13 and and CC en-wikipedia-org-3892 63 14 three three CD en-wikipedia-org-3892 63 15 papillary papillary JJ en-wikipedia-org-3892 63 16 muscles muscle NNS en-wikipedia-org-3892 63 17 named name VBD en-wikipedia-org-3892 63 18 the the DT en-wikipedia-org-3892 63 19 anterior anterior NN en-wikipedia-org-3892 63 20 , , , en-wikipedia-org-3892 63 21 posterior posterior NN en-wikipedia-org-3892 63 22 , , , en-wikipedia-org-3892 63 23 and and CC en-wikipedia-org-3892 63 24 septal septal JJ en-wikipedia-org-3892 63 25 muscles muscle NNS en-wikipedia-org-3892 63 26 , , , en-wikipedia-org-3892 63 27 after after IN en-wikipedia-org-3892 63 28 their -PRON- PRP$ en-wikipedia-org-3892 63 29 relative relative JJ en-wikipedia-org-3892 63 30 positions position NNS en-wikipedia-org-3892 63 31 . . . en-wikipedia-org-3892 64 1 [ [ -LRB- en-wikipedia-org-3892 64 2 21 21 CD en-wikipedia-org-3892 64 3 ] ] -RRB- en-wikipedia-org-3892 64 4 The the DT en-wikipedia-org-3892 64 5 mitral mitral JJ en-wikipedia-org-3892 64 6 valve valve NN en-wikipedia-org-3892 64 7 lies lie VBZ en-wikipedia-org-3892 64 8 between between IN en-wikipedia-org-3892 64 9 the the DT en-wikipedia-org-3892 64 10 left left JJ en-wikipedia-org-3892 64 11 atrium atrium NN en-wikipedia-org-3892 64 12 and and CC en-wikipedia-org-3892 64 13 left leave VBD en-wikipedia-org-3892 64 14 ventricle ventricle NN en-wikipedia-org-3892 64 15 . . . en-wikipedia-org-3892 65 1 It -PRON- PRP en-wikipedia-org-3892 65 2 is be VBZ en-wikipedia-org-3892 65 3 also also RB en-wikipedia-org-3892 65 4 known know VBN en-wikipedia-org-3892 65 5 as as IN en-wikipedia-org-3892 65 6 the the DT en-wikipedia-org-3892 65 7 bicuspid bicuspid JJ en-wikipedia-org-3892 65 8 valve valve NN en-wikipedia-org-3892 65 9 due due IN en-wikipedia-org-3892 65 10 to to IN en-wikipedia-org-3892 65 11 its -PRON- PRP$ en-wikipedia-org-3892 65 12 having have VBG en-wikipedia-org-3892 65 13 two two CD en-wikipedia-org-3892 65 14 cusps cusp NNS en-wikipedia-org-3892 65 15 , , , en-wikipedia-org-3892 65 16 an an DT en-wikipedia-org-3892 65 17 anterior anterior NN en-wikipedia-org-3892 65 18 and and CC en-wikipedia-org-3892 65 19 a a DT en-wikipedia-org-3892 65 20 posterior posterior NN en-wikipedia-org-3892 65 21 cusp cusp NN en-wikipedia-org-3892 65 22 . . . en-wikipedia-org-3892 66 1 These these DT en-wikipedia-org-3892 66 2 cusps cusp NNS en-wikipedia-org-3892 66 3 are be VBP en-wikipedia-org-3892 66 4 also also RB en-wikipedia-org-3892 66 5 attached attach VBN en-wikipedia-org-3892 66 6 via via IN en-wikipedia-org-3892 66 7 chordae chordae NN en-wikipedia-org-3892 66 8 tendinae tendinae NN en-wikipedia-org-3892 66 9 to to IN en-wikipedia-org-3892 66 10 two two CD en-wikipedia-org-3892 66 11 papillary papillary JJ en-wikipedia-org-3892 66 12 muscles muscle NNS en-wikipedia-org-3892 66 13 projecting project VBG en-wikipedia-org-3892 66 14 from from IN en-wikipedia-org-3892 66 15 the the DT en-wikipedia-org-3892 66 16 ventricular ventricular JJ en-wikipedia-org-3892 66 17 wall wall NN en-wikipedia-org-3892 66 18 . . . en-wikipedia-org-3892 67 1 [ [ -LRB- en-wikipedia-org-3892 67 2 22 22 CD en-wikipedia-org-3892 67 3 ] ] -RRB- en-wikipedia-org-3892 67 4 The the DT en-wikipedia-org-3892 67 5 papillary papillary JJ en-wikipedia-org-3892 67 6 muscles muscle NNS en-wikipedia-org-3892 67 7 extend extend VBP en-wikipedia-org-3892 67 8 from from IN en-wikipedia-org-3892 67 9 the the DT en-wikipedia-org-3892 67 10 walls wall NNS en-wikipedia-org-3892 67 11 of of IN en-wikipedia-org-3892 67 12 the the DT en-wikipedia-org-3892 67 13 heart heart NN en-wikipedia-org-3892 67 14 to to IN en-wikipedia-org-3892 67 15 valves valve NNS en-wikipedia-org-3892 67 16 by by IN en-wikipedia-org-3892 67 17 cartilaginous cartilaginous JJ en-wikipedia-org-3892 67 18 connections connection NNS en-wikipedia-org-3892 67 19 called call VBN en-wikipedia-org-3892 67 20 chordae chordae NN en-wikipedia-org-3892 67 21 tendinae tendinae NN en-wikipedia-org-3892 67 22 . . . en-wikipedia-org-3892 68 1 These these DT en-wikipedia-org-3892 68 2 muscles muscle NNS en-wikipedia-org-3892 68 3 prevent prevent VBP en-wikipedia-org-3892 68 4 the the DT en-wikipedia-org-3892 68 5 valves valve NNS en-wikipedia-org-3892 68 6 from from IN en-wikipedia-org-3892 68 7 falling fall VBG en-wikipedia-org-3892 68 8 too too RB en-wikipedia-org-3892 68 9 far far RB en-wikipedia-org-3892 68 10 back back RB en-wikipedia-org-3892 68 11 when when WRB en-wikipedia-org-3892 68 12 they -PRON- PRP en-wikipedia-org-3892 68 13 close close VBP en-wikipedia-org-3892 68 14 . . . en-wikipedia-org-3892 69 1 [ [ -LRB- en-wikipedia-org-3892 69 2 23 23 CD en-wikipedia-org-3892 69 3 ] ] -RRB- en-wikipedia-org-3892 69 4 During during IN en-wikipedia-org-3892 69 5 the the DT en-wikipedia-org-3892 69 6 relaxation relaxation NN en-wikipedia-org-3892 69 7 phase phase NN en-wikipedia-org-3892 69 8 of of IN en-wikipedia-org-3892 69 9 the the DT en-wikipedia-org-3892 69 10 cardiac cardiac JJ en-wikipedia-org-3892 69 11 cycle cycle NN en-wikipedia-org-3892 69 12 , , , en-wikipedia-org-3892 69 13 the the DT en-wikipedia-org-3892 69 14 papillary papillary JJ en-wikipedia-org-3892 69 15 muscles muscle NNS en-wikipedia-org-3892 69 16 are be VBP en-wikipedia-org-3892 69 17 also also RB en-wikipedia-org-3892 69 18 relaxed relaxed JJ en-wikipedia-org-3892 69 19 and and CC en-wikipedia-org-3892 69 20 the the DT en-wikipedia-org-3892 69 21 tension tension NN en-wikipedia-org-3892 69 22 on on IN en-wikipedia-org-3892 69 23 the the DT en-wikipedia-org-3892 69 24 chordae chordae NN en-wikipedia-org-3892 69 25 tendineae tendineae NN en-wikipedia-org-3892 69 26 is be VBZ en-wikipedia-org-3892 69 27 slight slight JJ en-wikipedia-org-3892 69 28 . . . en-wikipedia-org-3892 70 1 As as IN en-wikipedia-org-3892 70 2 the the DT en-wikipedia-org-3892 70 3 heart heart NN en-wikipedia-org-3892 70 4 chambers chamber NNS en-wikipedia-org-3892 70 5 contract contract NN en-wikipedia-org-3892 70 6 , , , en-wikipedia-org-3892 70 7 so so RB en-wikipedia-org-3892 70 8 do do VB en-wikipedia-org-3892 70 9 the the DT en-wikipedia-org-3892 70 10 papillary papillary JJ en-wikipedia-org-3892 70 11 muscles muscle NNS en-wikipedia-org-3892 70 12 . . . en-wikipedia-org-3892 71 1 This this DT en-wikipedia-org-3892 71 2 creates create VBZ en-wikipedia-org-3892 71 3 tension tension NN en-wikipedia-org-3892 71 4 on on IN en-wikipedia-org-3892 71 5 the the DT en-wikipedia-org-3892 71 6 chordae chordae NN en-wikipedia-org-3892 71 7 tendineae tendineae NN en-wikipedia-org-3892 71 8 , , , en-wikipedia-org-3892 71 9 helping help VBG en-wikipedia-org-3892 71 10 to to TO en-wikipedia-org-3892 71 11 hold hold VB en-wikipedia-org-3892 71 12 the the DT en-wikipedia-org-3892 71 13 cusps cusp NNS en-wikipedia-org-3892 71 14 of of IN en-wikipedia-org-3892 71 15 the the DT en-wikipedia-org-3892 71 16 atrioventricular atrioventricular JJ en-wikipedia-org-3892 71 17 valves valve NNS en-wikipedia-org-3892 71 18 in in IN en-wikipedia-org-3892 71 19 place place NN en-wikipedia-org-3892 71 20 and and CC en-wikipedia-org-3892 71 21 preventing prevent VBG en-wikipedia-org-3892 71 22 them -PRON- PRP en-wikipedia-org-3892 71 23 from from IN en-wikipedia-org-3892 71 24 being be VBG en-wikipedia-org-3892 71 25 blown blow VBN en-wikipedia-org-3892 71 26 back back RB en-wikipedia-org-3892 71 27 into into IN en-wikipedia-org-3892 71 28 the the DT en-wikipedia-org-3892 71 29 atria atria NNP en-wikipedia-org-3892 71 30 . . . en-wikipedia-org-3892 72 1 [ [ -LRB- en-wikipedia-org-3892 72 2 7 7 CD en-wikipedia-org-3892 72 3 ] ] -RRB- en-wikipedia-org-3892 72 4 [ [ -LRB- en-wikipedia-org-3892 72 5 g][21 g][21 NNP en-wikipedia-org-3892 72 6 ] ] -RRB- en-wikipedia-org-3892 72 7 Two two CD en-wikipedia-org-3892 72 8 additional additional JJ en-wikipedia-org-3892 72 9 semilunar semilunar NN en-wikipedia-org-3892 72 10 valves valve NNS en-wikipedia-org-3892 72 11 sit sit VBP en-wikipedia-org-3892 72 12 at at IN en-wikipedia-org-3892 72 13 the the DT en-wikipedia-org-3892 72 14 exit exit NN en-wikipedia-org-3892 72 15 of of IN en-wikipedia-org-3892 72 16 each each DT en-wikipedia-org-3892 72 17 of of IN en-wikipedia-org-3892 72 18 the the DT en-wikipedia-org-3892 72 19 ventricles ventricle NNS en-wikipedia-org-3892 72 20 . . . en-wikipedia-org-3892 73 1 The the DT en-wikipedia-org-3892 73 2 pulmonary pulmonary JJ en-wikipedia-org-3892 73 3 valve valve NN en-wikipedia-org-3892 73 4 is be VBZ en-wikipedia-org-3892 73 5 located locate VBN en-wikipedia-org-3892 73 6 at at IN en-wikipedia-org-3892 73 7 the the DT en-wikipedia-org-3892 73 8 base base NN en-wikipedia-org-3892 73 9 of of IN en-wikipedia-org-3892 73 10 the the DT en-wikipedia-org-3892 73 11 pulmonary pulmonary JJ en-wikipedia-org-3892 73 12 artery artery NN en-wikipedia-org-3892 73 13 . . . en-wikipedia-org-3892 74 1 This this DT en-wikipedia-org-3892 74 2 has have VBZ en-wikipedia-org-3892 74 3 three three CD en-wikipedia-org-3892 74 4 cusps cusp NNS en-wikipedia-org-3892 74 5 which which WDT en-wikipedia-org-3892 74 6 are be VBP en-wikipedia-org-3892 74 7 not not RB en-wikipedia-org-3892 74 8 attached attach VBN en-wikipedia-org-3892 74 9 to to IN en-wikipedia-org-3892 74 10 any any DT en-wikipedia-org-3892 74 11 papillary papillary JJ en-wikipedia-org-3892 74 12 muscles muscle NNS en-wikipedia-org-3892 74 13 . . . en-wikipedia-org-3892 75 1 When when WRB en-wikipedia-org-3892 75 2 the the DT en-wikipedia-org-3892 75 3 ventricle ventricle NN en-wikipedia-org-3892 75 4 relaxes relax VBZ en-wikipedia-org-3892 75 5 blood blood NN en-wikipedia-org-3892 75 6 flows flow VBZ en-wikipedia-org-3892 75 7 back back RB en-wikipedia-org-3892 75 8 into into IN en-wikipedia-org-3892 75 9 the the DT en-wikipedia-org-3892 75 10 ventricle ventricle NN en-wikipedia-org-3892 75 11 from from IN en-wikipedia-org-3892 75 12 the the DT en-wikipedia-org-3892 75 13 artery artery NN en-wikipedia-org-3892 75 14 and and CC en-wikipedia-org-3892 75 15 this this DT en-wikipedia-org-3892 75 16 flow flow NN en-wikipedia-org-3892 75 17 of of IN en-wikipedia-org-3892 75 18 blood blood NN en-wikipedia-org-3892 75 19 fills fill VBZ en-wikipedia-org-3892 75 20 the the DT en-wikipedia-org-3892 75 21 pocket pocket NN en-wikipedia-org-3892 75 22 - - HYPH en-wikipedia-org-3892 75 23 like like JJ en-wikipedia-org-3892 75 24 valve valve NN en-wikipedia-org-3892 75 25 , , , en-wikipedia-org-3892 75 26 pressing press VBG en-wikipedia-org-3892 75 27 against against IN en-wikipedia-org-3892 75 28 the the DT en-wikipedia-org-3892 75 29 cusps cusp NNS en-wikipedia-org-3892 75 30 which which WDT en-wikipedia-org-3892 75 31 close close RB en-wikipedia-org-3892 75 32 to to TO en-wikipedia-org-3892 75 33 seal seal VB en-wikipedia-org-3892 75 34 the the DT en-wikipedia-org-3892 75 35 valve valve NN en-wikipedia-org-3892 75 36 . . . en-wikipedia-org-3892 76 1 The the DT en-wikipedia-org-3892 76 2 semilunar semilunar JJ en-wikipedia-org-3892 76 3 aortic aortic NN en-wikipedia-org-3892 76 4 valve valve NN en-wikipedia-org-3892 76 5 is be VBZ en-wikipedia-org-3892 76 6 at at IN en-wikipedia-org-3892 76 7 the the DT en-wikipedia-org-3892 76 8 base base NN en-wikipedia-org-3892 76 9 of of IN en-wikipedia-org-3892 76 10 the the DT en-wikipedia-org-3892 76 11 aorta aorta NNP en-wikipedia-org-3892 76 12 and and CC en-wikipedia-org-3892 76 13 also also RB en-wikipedia-org-3892 76 14 is be VBZ en-wikipedia-org-3892 76 15 not not RB en-wikipedia-org-3892 76 16 attached attach VBN en-wikipedia-org-3892 76 17 to to IN en-wikipedia-org-3892 76 18 papillary papillary JJ en-wikipedia-org-3892 76 19 muscles muscle NNS en-wikipedia-org-3892 76 20 . . . en-wikipedia-org-3892 77 1 This this DT en-wikipedia-org-3892 77 2 too too RB en-wikipedia-org-3892 77 3 has have VBZ en-wikipedia-org-3892 77 4 three three CD en-wikipedia-org-3892 77 5 cusps cusp NNS en-wikipedia-org-3892 77 6 which which WDT en-wikipedia-org-3892 77 7 close close RB en-wikipedia-org-3892 77 8 with with IN en-wikipedia-org-3892 77 9 the the DT en-wikipedia-org-3892 77 10 pressure pressure NN en-wikipedia-org-3892 77 11 of of IN en-wikipedia-org-3892 77 12 the the DT en-wikipedia-org-3892 77 13 blood blood NN en-wikipedia-org-3892 77 14 flowing flow VBG en-wikipedia-org-3892 77 15 back back RB en-wikipedia-org-3892 77 16 from from IN en-wikipedia-org-3892 77 17 the the DT en-wikipedia-org-3892 77 18 aorta aorta NN en-wikipedia-org-3892 77 19 . . . en-wikipedia-org-3892 78 1 [ [ -LRB- en-wikipedia-org-3892 78 2 7 7 CD en-wikipedia-org-3892 78 3 ] ] -RRB- en-wikipedia-org-3892 78 4 Right right JJ en-wikipedia-org-3892 78 5 heart heart NN en-wikipedia-org-3892 78 6 The the DT en-wikipedia-org-3892 78 7 right right JJ en-wikipedia-org-3892 78 8 heart heart NN en-wikipedia-org-3892 78 9 consists consist VBZ en-wikipedia-org-3892 78 10 of of IN en-wikipedia-org-3892 78 11 two two CD en-wikipedia-org-3892 78 12 chambers chamber NNS en-wikipedia-org-3892 78 13 , , , en-wikipedia-org-3892 78 14 the the DT en-wikipedia-org-3892 78 15 right right JJ en-wikipedia-org-3892 78 16 atrium atrium NN en-wikipedia-org-3892 78 17 and and CC en-wikipedia-org-3892 78 18 the the DT en-wikipedia-org-3892 78 19 right right JJ en-wikipedia-org-3892 78 20 ventricle ventricle NN en-wikipedia-org-3892 78 21 , , , en-wikipedia-org-3892 78 22 separated separate VBN en-wikipedia-org-3892 78 23 by by IN en-wikipedia-org-3892 78 24 a a DT en-wikipedia-org-3892 78 25 valve valve NN en-wikipedia-org-3892 78 26 , , , en-wikipedia-org-3892 78 27 the the DT en-wikipedia-org-3892 78 28 tricuspid tricuspid NN en-wikipedia-org-3892 78 29 valve valve NN en-wikipedia-org-3892 78 30 . . . en-wikipedia-org-3892 79 1 [ [ -LRB- en-wikipedia-org-3892 79 2 7 7 LS en-wikipedia-org-3892 79 3 ] ] -RRB- en-wikipedia-org-3892 79 4 The the DT en-wikipedia-org-3892 79 5 right right NN en-wikipedia-org-3892 79 6 atrium atrium NN en-wikipedia-org-3892 79 7 receives receive VBZ en-wikipedia-org-3892 79 8 blood blood NN en-wikipedia-org-3892 79 9 almost almost RB en-wikipedia-org-3892 79 10 continuously continuously RB en-wikipedia-org-3892 79 11 from from IN en-wikipedia-org-3892 79 12 the the DT en-wikipedia-org-3892 79 13 body body NN en-wikipedia-org-3892 79 14 's 's POS en-wikipedia-org-3892 79 15 two two CD en-wikipedia-org-3892 79 16 major major JJ en-wikipedia-org-3892 79 17 veins vein NNS en-wikipedia-org-3892 79 18 , , , en-wikipedia-org-3892 79 19 the the DT en-wikipedia-org-3892 79 20 superior superior JJ en-wikipedia-org-3892 79 21 and and CC en-wikipedia-org-3892 79 22 inferior inferior JJ en-wikipedia-org-3892 79 23 venae venae NNP en-wikipedia-org-3892 79 24 cavae cavae NNP en-wikipedia-org-3892 79 25 . . . en-wikipedia-org-3892 80 1 A a DT en-wikipedia-org-3892 80 2 small small JJ en-wikipedia-org-3892 80 3 amount amount NN en-wikipedia-org-3892 80 4 of of IN en-wikipedia-org-3892 80 5 blood blood NN en-wikipedia-org-3892 80 6 from from IN en-wikipedia-org-3892 80 7 the the DT en-wikipedia-org-3892 80 8 coronary coronary JJ en-wikipedia-org-3892 80 9 circulation circulation NN en-wikipedia-org-3892 80 10 also also RB en-wikipedia-org-3892 80 11 drains drain VBZ en-wikipedia-org-3892 80 12 into into IN en-wikipedia-org-3892 80 13 the the DT en-wikipedia-org-3892 80 14 right right JJ en-wikipedia-org-3892 80 15 atrium atrium NN en-wikipedia-org-3892 80 16 via via IN en-wikipedia-org-3892 80 17 the the DT en-wikipedia-org-3892 80 18 coronary coronary JJ en-wikipedia-org-3892 80 19 sinus sinus NN en-wikipedia-org-3892 80 20 , , , en-wikipedia-org-3892 80 21 which which WDT en-wikipedia-org-3892 80 22 is be VBZ en-wikipedia-org-3892 80 23 immediately immediately RB en-wikipedia-org-3892 80 24 above above RB en-wikipedia-org-3892 80 25 and and CC en-wikipedia-org-3892 80 26 to to IN en-wikipedia-org-3892 80 27 the the DT en-wikipedia-org-3892 80 28 middle middle NN en-wikipedia-org-3892 80 29 of of IN en-wikipedia-org-3892 80 30 the the DT en-wikipedia-org-3892 80 31 opening opening NN en-wikipedia-org-3892 80 32 of of IN en-wikipedia-org-3892 80 33 the the DT en-wikipedia-org-3892 80 34 inferior inferior JJ en-wikipedia-org-3892 80 35 vena vena NNP en-wikipedia-org-3892 80 36 cava cava NN en-wikipedia-org-3892 80 37 . . . en-wikipedia-org-3892 81 1 [ [ -LRB- en-wikipedia-org-3892 81 2 7 7 CD en-wikipedia-org-3892 81 3 ] ] -RRB- en-wikipedia-org-3892 81 4 In in IN en-wikipedia-org-3892 81 5 the the DT en-wikipedia-org-3892 81 6 wall wall NN en-wikipedia-org-3892 81 7 of of IN en-wikipedia-org-3892 81 8 the the DT en-wikipedia-org-3892 81 9 right right JJ en-wikipedia-org-3892 81 10 atrium atrium NN en-wikipedia-org-3892 81 11 is be VBZ en-wikipedia-org-3892 81 12 an an DT en-wikipedia-org-3892 81 13 oval oval NN en-wikipedia-org-3892 81 14 - - HYPH en-wikipedia-org-3892 81 15 shaped shape VBN en-wikipedia-org-3892 81 16 depression depression NN en-wikipedia-org-3892 81 17 known know VBN en-wikipedia-org-3892 81 18 as as IN en-wikipedia-org-3892 81 19 the the DT en-wikipedia-org-3892 81 20 fossa fossa NNP en-wikipedia-org-3892 81 21 ovalis ovalis NNP en-wikipedia-org-3892 81 22 , , , en-wikipedia-org-3892 81 23 which which WDT en-wikipedia-org-3892 81 24 is be VBZ en-wikipedia-org-3892 81 25 a a DT en-wikipedia-org-3892 81 26 remnant remnant NN en-wikipedia-org-3892 81 27 of of IN en-wikipedia-org-3892 81 28 an an DT en-wikipedia-org-3892 81 29 opening opening NN en-wikipedia-org-3892 81 30 in in IN en-wikipedia-org-3892 81 31 the the DT en-wikipedia-org-3892 81 32 fetal fetal JJ en-wikipedia-org-3892 81 33 heart heart NN en-wikipedia-org-3892 81 34 known know VBN en-wikipedia-org-3892 81 35 as as IN en-wikipedia-org-3892 81 36 the the DT en-wikipedia-org-3892 81 37 foramen foraman NNS en-wikipedia-org-3892 81 38 ovale ovale NN en-wikipedia-org-3892 81 39 . . . en-wikipedia-org-3892 82 1 [ [ -LRB- en-wikipedia-org-3892 82 2 7 7 LS en-wikipedia-org-3892 82 3 ] ] -RRB- en-wikipedia-org-3892 82 4 Most Most JJS en-wikipedia-org-3892 82 5 of of IN en-wikipedia-org-3892 82 6 the the DT en-wikipedia-org-3892 82 7 internal internal JJ en-wikipedia-org-3892 82 8 surface surface NN en-wikipedia-org-3892 82 9 of of IN en-wikipedia-org-3892 82 10 the the DT en-wikipedia-org-3892 82 11 right right JJ en-wikipedia-org-3892 82 12 atrium atrium NN en-wikipedia-org-3892 82 13 is be VBZ en-wikipedia-org-3892 82 14 smooth smooth JJ en-wikipedia-org-3892 82 15 , , , en-wikipedia-org-3892 82 16 the the DT en-wikipedia-org-3892 82 17 depression depression NN en-wikipedia-org-3892 82 18 of of IN en-wikipedia-org-3892 82 19 the the DT en-wikipedia-org-3892 82 20 fossa fossa NNP en-wikipedia-org-3892 82 21 ovalis ovalis NNP en-wikipedia-org-3892 82 22 is be VBZ en-wikipedia-org-3892 82 23 medial medial NNP en-wikipedia-org-3892 82 24 , , , en-wikipedia-org-3892 82 25 and and CC en-wikipedia-org-3892 82 26 the the DT en-wikipedia-org-3892 82 27 anterior anterior NNP en-wikipedia-org-3892 82 28 surface surface NN en-wikipedia-org-3892 82 29 has have VBZ en-wikipedia-org-3892 82 30 prominent prominent JJ en-wikipedia-org-3892 82 31 ridges ridge NNS en-wikipedia-org-3892 82 32 of of IN en-wikipedia-org-3892 82 33 pectinate pectinate NN en-wikipedia-org-3892 82 34 muscles muscle NNS en-wikipedia-org-3892 82 35 , , , en-wikipedia-org-3892 82 36 which which WDT en-wikipedia-org-3892 82 37 are be VBP en-wikipedia-org-3892 82 38 also also RB en-wikipedia-org-3892 82 39 present present JJ en-wikipedia-org-3892 82 40 in in IN en-wikipedia-org-3892 82 41 the the DT en-wikipedia-org-3892 82 42 right right JJ en-wikipedia-org-3892 82 43 atrial atrial JJ en-wikipedia-org-3892 82 44 appendage appendage NN en-wikipedia-org-3892 82 45 . . . en-wikipedia-org-3892 83 1 [ [ -LRB- en-wikipedia-org-3892 83 2 7 7 LS en-wikipedia-org-3892 83 3 ] ] -RRB- en-wikipedia-org-3892 83 4 The the DT en-wikipedia-org-3892 83 5 right right NN en-wikipedia-org-3892 83 6 atrium atrium NN en-wikipedia-org-3892 83 7 is be VBZ en-wikipedia-org-3892 83 8 connected connect VBN en-wikipedia-org-3892 83 9 to to IN en-wikipedia-org-3892 83 10 the the DT en-wikipedia-org-3892 83 11 right right JJ en-wikipedia-org-3892 83 12 ventricle ventricle NN en-wikipedia-org-3892 83 13 by by IN en-wikipedia-org-3892 83 14 the the DT en-wikipedia-org-3892 83 15 tricuspid tricuspid NN en-wikipedia-org-3892 83 16 valve valve NN en-wikipedia-org-3892 83 17 . . . en-wikipedia-org-3892 84 1 [ [ -LRB- en-wikipedia-org-3892 84 2 7 7 LS en-wikipedia-org-3892 84 3 ] ] -RRB- en-wikipedia-org-3892 84 4 The the DT en-wikipedia-org-3892 84 5 walls wall NNS en-wikipedia-org-3892 84 6 of of IN en-wikipedia-org-3892 84 7 the the DT en-wikipedia-org-3892 84 8 right right JJ en-wikipedia-org-3892 84 9 ventricle ventricle NN en-wikipedia-org-3892 84 10 are be VBP en-wikipedia-org-3892 84 11 lined line VBN en-wikipedia-org-3892 84 12 with with IN en-wikipedia-org-3892 84 13 trabeculae trabeculae NNP en-wikipedia-org-3892 84 14 carneae carneae NNP en-wikipedia-org-3892 84 15 , , , en-wikipedia-org-3892 84 16 ridges ridge NNS en-wikipedia-org-3892 84 17 of of IN en-wikipedia-org-3892 84 18 cardiac cardiac JJ en-wikipedia-org-3892 84 19 muscle muscle NN en-wikipedia-org-3892 84 20 covered cover VBN en-wikipedia-org-3892 84 21 by by IN en-wikipedia-org-3892 84 22 endocardium endocardium NN en-wikipedia-org-3892 84 23 . . . en-wikipedia-org-3892 85 1 In in IN en-wikipedia-org-3892 85 2 addition addition NN en-wikipedia-org-3892 85 3 to to IN en-wikipedia-org-3892 85 4 these these DT en-wikipedia-org-3892 85 5 muscular muscular JJ en-wikipedia-org-3892 85 6 ridges ridge NNS en-wikipedia-org-3892 85 7 , , , en-wikipedia-org-3892 85 8 a a DT en-wikipedia-org-3892 85 9 band band NN en-wikipedia-org-3892 85 10 of of IN en-wikipedia-org-3892 85 11 cardiac cardiac JJ en-wikipedia-org-3892 85 12 muscle muscle NN en-wikipedia-org-3892 85 13 , , , en-wikipedia-org-3892 85 14 also also RB en-wikipedia-org-3892 85 15 covered cover VBN en-wikipedia-org-3892 85 16 by by IN en-wikipedia-org-3892 85 17 endocardium endocardium NN en-wikipedia-org-3892 85 18 , , , en-wikipedia-org-3892 85 19 known know VBN en-wikipedia-org-3892 85 20 as as IN en-wikipedia-org-3892 85 21 the the DT en-wikipedia-org-3892 85 22 moderator moderator NN en-wikipedia-org-3892 85 23 band band NN en-wikipedia-org-3892 85 24 reinforces reinforce VBZ en-wikipedia-org-3892 85 25 the the DT en-wikipedia-org-3892 85 26 thin thin JJ en-wikipedia-org-3892 85 27 walls wall NNS en-wikipedia-org-3892 85 28 of of IN en-wikipedia-org-3892 85 29 the the DT en-wikipedia-org-3892 85 30 right right JJ en-wikipedia-org-3892 85 31 ventricle ventricle NN en-wikipedia-org-3892 85 32 and and CC en-wikipedia-org-3892 85 33 plays play VBZ en-wikipedia-org-3892 85 34 a a DT en-wikipedia-org-3892 85 35 crucial crucial JJ en-wikipedia-org-3892 85 36 role role NN en-wikipedia-org-3892 85 37 in in IN en-wikipedia-org-3892 85 38 cardiac cardiac JJ en-wikipedia-org-3892 85 39 conduction conduction NN en-wikipedia-org-3892 85 40 . . . en-wikipedia-org-3892 86 1 It -PRON- PRP en-wikipedia-org-3892 86 2 arises arise VBZ en-wikipedia-org-3892 86 3 from from IN en-wikipedia-org-3892 86 4 the the DT en-wikipedia-org-3892 86 5 lower low JJR en-wikipedia-org-3892 86 6 part part NN en-wikipedia-org-3892 86 7 of of IN en-wikipedia-org-3892 86 8 the the DT en-wikipedia-org-3892 86 9 interventricular interventricular JJ en-wikipedia-org-3892 86 10 septum septum NN en-wikipedia-org-3892 86 11 and and CC en-wikipedia-org-3892 86 12 crosses cross VBZ en-wikipedia-org-3892 86 13 the the DT en-wikipedia-org-3892 86 14 interior interior JJ en-wikipedia-org-3892 86 15 space space NN en-wikipedia-org-3892 86 16 of of IN en-wikipedia-org-3892 86 17 the the DT en-wikipedia-org-3892 86 18 right right JJ en-wikipedia-org-3892 86 19 ventricle ventricle NN en-wikipedia-org-3892 86 20 to to TO en-wikipedia-org-3892 86 21 connect connect VB en-wikipedia-org-3892 86 22 with with IN en-wikipedia-org-3892 86 23 the the DT en-wikipedia-org-3892 86 24 inferior inferior JJ en-wikipedia-org-3892 86 25 papillary papillary JJ en-wikipedia-org-3892 86 26 muscle muscle NN en-wikipedia-org-3892 86 27 . . . en-wikipedia-org-3892 87 1 [ [ -LRB- en-wikipedia-org-3892 87 2 7 7 LS en-wikipedia-org-3892 87 3 ] ] -RRB- en-wikipedia-org-3892 87 4 The the DT en-wikipedia-org-3892 87 5 right right JJ en-wikipedia-org-3892 87 6 ventricle ventricle NN en-wikipedia-org-3892 87 7 tapers taper VBZ en-wikipedia-org-3892 87 8 into into IN en-wikipedia-org-3892 87 9 the the DT en-wikipedia-org-3892 87 10 pulmonary pulmonary JJ en-wikipedia-org-3892 87 11 trunk trunk NN en-wikipedia-org-3892 87 12 , , , en-wikipedia-org-3892 87 13 into into IN en-wikipedia-org-3892 87 14 which which WDT en-wikipedia-org-3892 87 15 it -PRON- PRP en-wikipedia-org-3892 87 16 ejects eject VBZ en-wikipedia-org-3892 87 17 blood blood NN en-wikipedia-org-3892 87 18 when when WRB en-wikipedia-org-3892 87 19 contracting contract VBG en-wikipedia-org-3892 87 20 . . . en-wikipedia-org-3892 88 1 The the DT en-wikipedia-org-3892 88 2 pulmonary pulmonary JJ en-wikipedia-org-3892 88 3 trunk trunk NN en-wikipedia-org-3892 88 4 branches branch NNS en-wikipedia-org-3892 88 5 into into IN en-wikipedia-org-3892 88 6 the the DT en-wikipedia-org-3892 88 7 left left JJ en-wikipedia-org-3892 88 8 and and CC en-wikipedia-org-3892 88 9 right right JJ en-wikipedia-org-3892 88 10 pulmonary pulmonary JJ en-wikipedia-org-3892 88 11 arteries artery NNS en-wikipedia-org-3892 88 12 that that WDT en-wikipedia-org-3892 88 13 carry carry VBP en-wikipedia-org-3892 88 14 the the DT en-wikipedia-org-3892 88 15 blood blood NN en-wikipedia-org-3892 88 16 to to IN en-wikipedia-org-3892 88 17 each each DT en-wikipedia-org-3892 88 18 lung lung NN en-wikipedia-org-3892 88 19 . . . en-wikipedia-org-3892 89 1 The the DT en-wikipedia-org-3892 89 2 pulmonary pulmonary JJ en-wikipedia-org-3892 89 3 valve valve NN en-wikipedia-org-3892 89 4 lies lie VBZ en-wikipedia-org-3892 89 5 between between IN en-wikipedia-org-3892 89 6 the the DT en-wikipedia-org-3892 89 7 right right JJ en-wikipedia-org-3892 89 8 heart heart NN en-wikipedia-org-3892 89 9 and and CC en-wikipedia-org-3892 89 10 the the DT en-wikipedia-org-3892 89 11 pulmonary pulmonary JJ en-wikipedia-org-3892 89 12 trunk trunk NN en-wikipedia-org-3892 89 13 . . . en-wikipedia-org-3892 90 1 [ [ -LRB- en-wikipedia-org-3892 90 2 7 7 LS en-wikipedia-org-3892 90 3 ] ] -RRB- en-wikipedia-org-3892 90 4 Left leave VBN en-wikipedia-org-3892 90 5 heart heart NN en-wikipedia-org-3892 90 6 The the DT en-wikipedia-org-3892 90 7 left left JJ en-wikipedia-org-3892 90 8 heart heart NN en-wikipedia-org-3892 90 9 has have VBZ en-wikipedia-org-3892 90 10 two two CD en-wikipedia-org-3892 90 11 chambers chamber NNS en-wikipedia-org-3892 90 12 : : : en-wikipedia-org-3892 90 13 the the DT en-wikipedia-org-3892 90 14 left left JJ en-wikipedia-org-3892 90 15 atrium atrium NN en-wikipedia-org-3892 90 16 and and CC en-wikipedia-org-3892 90 17 the the DT en-wikipedia-org-3892 90 18 left left JJ en-wikipedia-org-3892 90 19 ventricle ventricle NN en-wikipedia-org-3892 90 20 , , , en-wikipedia-org-3892 90 21 separated separate VBN en-wikipedia-org-3892 90 22 by by IN en-wikipedia-org-3892 90 23 the the DT en-wikipedia-org-3892 90 24 mitral mitral JJ en-wikipedia-org-3892 90 25 valve valve NN en-wikipedia-org-3892 90 26 . . . en-wikipedia-org-3892 91 1 [ [ -LRB- en-wikipedia-org-3892 91 2 7 7 LS en-wikipedia-org-3892 91 3 ] ] -RRB- en-wikipedia-org-3892 91 4 The the DT en-wikipedia-org-3892 91 5 left left JJ en-wikipedia-org-3892 91 6 atrium atrium NN en-wikipedia-org-3892 91 7 receives receive VBZ en-wikipedia-org-3892 91 8 oxygenated oxygenate VBN en-wikipedia-org-3892 91 9 blood blood NN en-wikipedia-org-3892 91 10 back back RB en-wikipedia-org-3892 91 11 from from IN en-wikipedia-org-3892 91 12 the the DT en-wikipedia-org-3892 91 13 lungs lung NNS en-wikipedia-org-3892 91 14 via via IN en-wikipedia-org-3892 91 15 one one CD en-wikipedia-org-3892 91 16 of of IN en-wikipedia-org-3892 91 17 the the DT en-wikipedia-org-3892 91 18 four four CD en-wikipedia-org-3892 91 19 pulmonary pulmonary JJ en-wikipedia-org-3892 91 20 veins vein NNS en-wikipedia-org-3892 91 21 . . . en-wikipedia-org-3892 92 1 The the DT en-wikipedia-org-3892 92 2 left left JJ en-wikipedia-org-3892 92 3 atrium atrium NN en-wikipedia-org-3892 92 4 has have VBZ en-wikipedia-org-3892 92 5 an an DT en-wikipedia-org-3892 92 6 outpouching outpouching NN en-wikipedia-org-3892 92 7 called call VBN en-wikipedia-org-3892 92 8 the the DT en-wikipedia-org-3892 92 9 left left JJ en-wikipedia-org-3892 92 10 atrial atrial JJ en-wikipedia-org-3892 92 11 appendage appendage NN en-wikipedia-org-3892 92 12 . . . en-wikipedia-org-3892 93 1 Like like IN en-wikipedia-org-3892 93 2 the the DT en-wikipedia-org-3892 93 3 right right JJ en-wikipedia-org-3892 93 4 atrium atrium NN en-wikipedia-org-3892 93 5 , , , en-wikipedia-org-3892 93 6 the the DT en-wikipedia-org-3892 93 7 left left JJ en-wikipedia-org-3892 93 8 atrium atrium NN en-wikipedia-org-3892 93 9 is be VBZ en-wikipedia-org-3892 93 10 lined line VBN en-wikipedia-org-3892 93 11 by by IN en-wikipedia-org-3892 93 12 pectinate pectinate NN en-wikipedia-org-3892 93 13 muscles muscle NNS en-wikipedia-org-3892 93 14 . . . en-wikipedia-org-3892 94 1 [ [ -LRB- en-wikipedia-org-3892 94 2 24 24 CD en-wikipedia-org-3892 94 3 ] ] -RRB- en-wikipedia-org-3892 94 4 The the DT en-wikipedia-org-3892 94 5 left left JJ en-wikipedia-org-3892 94 6 atrium atrium NN en-wikipedia-org-3892 94 7 is be VBZ en-wikipedia-org-3892 94 8 connected connect VBN en-wikipedia-org-3892 94 9 to to IN en-wikipedia-org-3892 94 10 the the DT en-wikipedia-org-3892 94 11 left left JJ en-wikipedia-org-3892 94 12 ventricle ventricle NN en-wikipedia-org-3892 94 13 by by IN en-wikipedia-org-3892 94 14 the the DT en-wikipedia-org-3892 94 15 mitral mitral JJ en-wikipedia-org-3892 94 16 valve valve NN en-wikipedia-org-3892 94 17 . . . en-wikipedia-org-3892 95 1 [ [ -LRB- en-wikipedia-org-3892 95 2 7 7 LS en-wikipedia-org-3892 95 3 ] ] -RRB- en-wikipedia-org-3892 95 4 The the DT en-wikipedia-org-3892 95 5 left left JJ en-wikipedia-org-3892 95 6 ventricle ventricle NN en-wikipedia-org-3892 95 7 is be VBZ en-wikipedia-org-3892 95 8 much much RB en-wikipedia-org-3892 95 9 thicker thick JJR en-wikipedia-org-3892 95 10 as as IN en-wikipedia-org-3892 95 11 compared compare VBN en-wikipedia-org-3892 95 12 with with IN en-wikipedia-org-3892 95 13 the the DT en-wikipedia-org-3892 95 14 right right NN en-wikipedia-org-3892 95 15 , , , en-wikipedia-org-3892 95 16 due due IN en-wikipedia-org-3892 95 17 to to IN en-wikipedia-org-3892 95 18 the the DT en-wikipedia-org-3892 95 19 greater great JJR en-wikipedia-org-3892 95 20 force force NN en-wikipedia-org-3892 95 21 needed need VBN en-wikipedia-org-3892 95 22 to to TO en-wikipedia-org-3892 95 23 pump pump VB en-wikipedia-org-3892 95 24 blood blood NN en-wikipedia-org-3892 95 25 to to IN en-wikipedia-org-3892 95 26 the the DT en-wikipedia-org-3892 95 27 entire entire JJ en-wikipedia-org-3892 95 28 body body NN en-wikipedia-org-3892 95 29 . . . en-wikipedia-org-3892 96 1 Like like IN en-wikipedia-org-3892 96 2 the the DT en-wikipedia-org-3892 96 3 right right JJ en-wikipedia-org-3892 96 4 ventricle ventricle NN en-wikipedia-org-3892 96 5 , , , en-wikipedia-org-3892 96 6 the the DT en-wikipedia-org-3892 96 7 left left NN en-wikipedia-org-3892 96 8 also also RB en-wikipedia-org-3892 96 9 has have VBZ en-wikipedia-org-3892 96 10 trabeculae trabeculae NNP en-wikipedia-org-3892 96 11 carneae carneae NNP en-wikipedia-org-3892 96 12 , , , en-wikipedia-org-3892 96 13 but but CC en-wikipedia-org-3892 96 14 there there EX en-wikipedia-org-3892 96 15 is be VBZ en-wikipedia-org-3892 96 16 no no DT en-wikipedia-org-3892 96 17 moderator moderator NN en-wikipedia-org-3892 96 18 band band NN en-wikipedia-org-3892 96 19 . . . en-wikipedia-org-3892 97 1 The the DT en-wikipedia-org-3892 97 2 left left JJ en-wikipedia-org-3892 97 3 ventricle ventricle NN en-wikipedia-org-3892 97 4 pumps pump VBZ en-wikipedia-org-3892 97 5 blood blood NN en-wikipedia-org-3892 97 6 to to IN en-wikipedia-org-3892 97 7 the the DT en-wikipedia-org-3892 97 8 body body NN en-wikipedia-org-3892 97 9 through through IN en-wikipedia-org-3892 97 10 the the DT en-wikipedia-org-3892 97 11 aortic aortic JJ en-wikipedia-org-3892 97 12 valve valve NN en-wikipedia-org-3892 97 13 and and CC en-wikipedia-org-3892 97 14 into into IN en-wikipedia-org-3892 97 15 the the DT en-wikipedia-org-3892 97 16 aorta aorta NN en-wikipedia-org-3892 97 17 . . . en-wikipedia-org-3892 98 1 Two two CD en-wikipedia-org-3892 98 2 small small JJ en-wikipedia-org-3892 98 3 openings opening NNS en-wikipedia-org-3892 98 4 above above IN en-wikipedia-org-3892 98 5 the the DT en-wikipedia-org-3892 98 6 aortic aortic JJ en-wikipedia-org-3892 98 7 valve valve NN en-wikipedia-org-3892 98 8 carry carry VB en-wikipedia-org-3892 98 9 blood blood NN en-wikipedia-org-3892 98 10 to to IN en-wikipedia-org-3892 98 11 the the DT en-wikipedia-org-3892 98 12 heart heart NN en-wikipedia-org-3892 98 13 itself -PRON- PRP en-wikipedia-org-3892 98 14 , , , en-wikipedia-org-3892 98 15 the the DT en-wikipedia-org-3892 98 16 left left JJ en-wikipedia-org-3892 98 17 main main JJ en-wikipedia-org-3892 98 18 coronary coronary JJ en-wikipedia-org-3892 98 19 artery artery NN en-wikipedia-org-3892 98 20 and and CC en-wikipedia-org-3892 98 21 the the DT en-wikipedia-org-3892 98 22 right right JJ en-wikipedia-org-3892 98 23 coronary coronary JJ en-wikipedia-org-3892 98 24 artery artery NN en-wikipedia-org-3892 98 25 . . . en-wikipedia-org-3892 99 1 [ [ -LRB- en-wikipedia-org-3892 99 2 7 7 CD en-wikipedia-org-3892 99 3 ] ] -RRB- en-wikipedia-org-3892 99 4 Heart heart NN en-wikipedia-org-3892 99 5 wall wall NN en-wikipedia-org-3892 99 6 Further further JJ en-wikipedia-org-3892 99 7 information information NN en-wikipedia-org-3892 99 8 : : : en-wikipedia-org-3892 99 9 Cardiac cardiac JJ en-wikipedia-org-3892 99 10 muscle muscle NN en-wikipedia-org-3892 99 11 Layers layer NNS en-wikipedia-org-3892 99 12 of of IN en-wikipedia-org-3892 99 13 the the DT en-wikipedia-org-3892 99 14 heart heart NN en-wikipedia-org-3892 99 15 wall wall NN en-wikipedia-org-3892 99 16 , , , en-wikipedia-org-3892 99 17 including include VBG en-wikipedia-org-3892 99 18 visceral visceral JJ en-wikipedia-org-3892 99 19 and and CC en-wikipedia-org-3892 99 20 parietal parietal JJ en-wikipedia-org-3892 99 21 pericardium pericardium NN en-wikipedia-org-3892 99 22 . . . en-wikipedia-org-3892 100 1 The the DT en-wikipedia-org-3892 100 2 heart heart NN en-wikipedia-org-3892 100 3 wall wall NN en-wikipedia-org-3892 100 4 is be VBZ en-wikipedia-org-3892 100 5 made make VBN en-wikipedia-org-3892 100 6 up up RP en-wikipedia-org-3892 100 7 of of IN en-wikipedia-org-3892 100 8 three three CD en-wikipedia-org-3892 100 9 layers layer NNS en-wikipedia-org-3892 100 10 : : : en-wikipedia-org-3892 100 11 the the DT en-wikipedia-org-3892 100 12 inner inner JJ en-wikipedia-org-3892 100 13 endocardium endocardium NN en-wikipedia-org-3892 100 14 , , , en-wikipedia-org-3892 100 15 middle middle JJ en-wikipedia-org-3892 100 16 myocardium myocardium NN en-wikipedia-org-3892 100 17 and and CC en-wikipedia-org-3892 100 18 outer outer JJ en-wikipedia-org-3892 100 19 epicardium epicardium NN en-wikipedia-org-3892 100 20 . . . en-wikipedia-org-3892 101 1 These these DT en-wikipedia-org-3892 101 2 are be VBP en-wikipedia-org-3892 101 3 surrounded surround VBN en-wikipedia-org-3892 101 4 by by IN en-wikipedia-org-3892 101 5 a a DT en-wikipedia-org-3892 101 6 double double RB en-wikipedia-org-3892 101 7 - - HYPH en-wikipedia-org-3892 101 8 membraned membraned JJ en-wikipedia-org-3892 101 9 sac sac NN en-wikipedia-org-3892 101 10 called call VBD en-wikipedia-org-3892 101 11 the the DT en-wikipedia-org-3892 101 12 pericardium pericardium NN en-wikipedia-org-3892 101 13 . . . en-wikipedia-org-3892 102 1 The the DT en-wikipedia-org-3892 102 2 innermost innermost JJS en-wikipedia-org-3892 102 3 layer layer NN en-wikipedia-org-3892 102 4 of of IN en-wikipedia-org-3892 102 5 the the DT en-wikipedia-org-3892 102 6 heart heart NN en-wikipedia-org-3892 102 7 is be VBZ en-wikipedia-org-3892 102 8 called call VBN en-wikipedia-org-3892 102 9 the the DT en-wikipedia-org-3892 102 10 endocardium endocardium NN en-wikipedia-org-3892 102 11 . . . en-wikipedia-org-3892 103 1 It -PRON- PRP en-wikipedia-org-3892 103 2 is be VBZ en-wikipedia-org-3892 103 3 made make VBN en-wikipedia-org-3892 103 4 up up RP en-wikipedia-org-3892 103 5 of of IN en-wikipedia-org-3892 103 6 a a DT en-wikipedia-org-3892 103 7 lining lining NN en-wikipedia-org-3892 103 8 of of IN en-wikipedia-org-3892 103 9 simple simple JJ en-wikipedia-org-3892 103 10 squamous squamous JJ en-wikipedia-org-3892 103 11 epithelium epithelium NN en-wikipedia-org-3892 103 12 and and CC en-wikipedia-org-3892 103 13 covers cover VBZ en-wikipedia-org-3892 103 14 heart heart NN en-wikipedia-org-3892 103 15 chambers chamber NNS en-wikipedia-org-3892 103 16 and and CC en-wikipedia-org-3892 103 17 valves valve NNS en-wikipedia-org-3892 103 18 . . . en-wikipedia-org-3892 104 1 It -PRON- PRP en-wikipedia-org-3892 104 2 is be VBZ en-wikipedia-org-3892 104 3 continuous continuous JJ en-wikipedia-org-3892 104 4 with with IN en-wikipedia-org-3892 104 5 the the DT en-wikipedia-org-3892 104 6 endothelium endothelium NN en-wikipedia-org-3892 104 7 of of IN en-wikipedia-org-3892 104 8 the the DT en-wikipedia-org-3892 104 9 veins vein NNS en-wikipedia-org-3892 104 10 and and CC en-wikipedia-org-3892 104 11 arteries artery NNS en-wikipedia-org-3892 104 12 of of IN en-wikipedia-org-3892 104 13 the the DT en-wikipedia-org-3892 104 14 heart heart NN en-wikipedia-org-3892 104 15 , , , en-wikipedia-org-3892 104 16 and and CC en-wikipedia-org-3892 104 17 is be VBZ en-wikipedia-org-3892 104 18 joined join VBN en-wikipedia-org-3892 104 19 to to IN en-wikipedia-org-3892 104 20 the the DT en-wikipedia-org-3892 104 21 myocardium myocardium NN en-wikipedia-org-3892 104 22 with with IN en-wikipedia-org-3892 104 23 a a DT en-wikipedia-org-3892 104 24 thin thin JJ en-wikipedia-org-3892 104 25 layer layer NN en-wikipedia-org-3892 104 26 of of IN en-wikipedia-org-3892 104 27 connective connective JJ en-wikipedia-org-3892 104 28 tissue tissue NN en-wikipedia-org-3892 104 29 . . . en-wikipedia-org-3892 105 1 [ [ -LRB- en-wikipedia-org-3892 105 2 7 7 LS en-wikipedia-org-3892 105 3 ] ] -RRB- en-wikipedia-org-3892 105 4 The the DT en-wikipedia-org-3892 105 5 endocardium endocardium NN en-wikipedia-org-3892 105 6 , , , en-wikipedia-org-3892 105 7 by by IN en-wikipedia-org-3892 105 8 secreting secrete VBG en-wikipedia-org-3892 105 9 endothelins endothelin NNS en-wikipedia-org-3892 105 10 , , , en-wikipedia-org-3892 105 11 may may MD en-wikipedia-org-3892 105 12 also also RB en-wikipedia-org-3892 105 13 play play VB en-wikipedia-org-3892 105 14 a a DT en-wikipedia-org-3892 105 15 role role NN en-wikipedia-org-3892 105 16 in in IN en-wikipedia-org-3892 105 17 regulating regulate VBG en-wikipedia-org-3892 105 18 the the DT en-wikipedia-org-3892 105 19 contraction contraction NN en-wikipedia-org-3892 105 20 of of IN en-wikipedia-org-3892 105 21 the the DT en-wikipedia-org-3892 105 22 myocardium myocardium NN en-wikipedia-org-3892 105 23 . . . en-wikipedia-org-3892 106 1 [ [ -LRB- en-wikipedia-org-3892 106 2 7 7 LS en-wikipedia-org-3892 106 3 ] ] -RRB- en-wikipedia-org-3892 106 4 The the DT en-wikipedia-org-3892 106 5 swirling swirling NN en-wikipedia-org-3892 106 6 pattern pattern NN en-wikipedia-org-3892 106 7 of of IN en-wikipedia-org-3892 106 8 myocardium myocardium NN en-wikipedia-org-3892 106 9 helps help VBZ en-wikipedia-org-3892 106 10 the the DT en-wikipedia-org-3892 106 11 heart heart NN en-wikipedia-org-3892 106 12 pump pump VB en-wikipedia-org-3892 106 13 effectively effectively RB en-wikipedia-org-3892 106 14 The the DT en-wikipedia-org-3892 106 15 middle middle JJ en-wikipedia-org-3892 106 16 layer layer NN en-wikipedia-org-3892 106 17 of of IN en-wikipedia-org-3892 106 18 the the DT en-wikipedia-org-3892 106 19 heart heart NN en-wikipedia-org-3892 106 20 wall wall NN en-wikipedia-org-3892 106 21 is be VBZ en-wikipedia-org-3892 106 22 the the DT en-wikipedia-org-3892 106 23 myocardium myocardium NN en-wikipedia-org-3892 106 24 , , , en-wikipedia-org-3892 106 25 which which WDT en-wikipedia-org-3892 106 26 is be VBZ en-wikipedia-org-3892 106 27 the the DT en-wikipedia-org-3892 106 28 cardiac cardiac JJ en-wikipedia-org-3892 106 29 muscle muscle NN en-wikipedia-org-3892 106 30 — — : en-wikipedia-org-3892 106 31 a a DT en-wikipedia-org-3892 106 32 layer layer NN en-wikipedia-org-3892 106 33 of of IN en-wikipedia-org-3892 106 34 involuntary involuntary JJ en-wikipedia-org-3892 106 35 striated striate VBN en-wikipedia-org-3892 106 36 muscle muscle NN en-wikipedia-org-3892 106 37 tissue tissue NN en-wikipedia-org-3892 106 38 surrounded surround VBN en-wikipedia-org-3892 106 39 by by IN en-wikipedia-org-3892 106 40 a a DT en-wikipedia-org-3892 106 41 framework framework NN en-wikipedia-org-3892 106 42 of of IN en-wikipedia-org-3892 106 43 collagen collagen NN en-wikipedia-org-3892 106 44 . . . en-wikipedia-org-3892 107 1 The the DT en-wikipedia-org-3892 107 2 cardiac cardiac JJ en-wikipedia-org-3892 107 3 muscle muscle NN en-wikipedia-org-3892 107 4 pattern pattern NN en-wikipedia-org-3892 107 5 is be VBZ en-wikipedia-org-3892 107 6 elegant elegant JJ en-wikipedia-org-3892 107 7 and and CC en-wikipedia-org-3892 107 8 complex complex JJ en-wikipedia-org-3892 107 9 , , , en-wikipedia-org-3892 107 10 as as IN en-wikipedia-org-3892 107 11 the the DT en-wikipedia-org-3892 107 12 muscle muscle NN en-wikipedia-org-3892 107 13 cells cell VBZ en-wikipedia-org-3892 107 14 swirl swirl JJ en-wikipedia-org-3892 107 15 and and CC en-wikipedia-org-3892 107 16 spiral spiral JJ en-wikipedia-org-3892 107 17 around around IN en-wikipedia-org-3892 107 18 the the DT en-wikipedia-org-3892 107 19 chambers chamber NNS en-wikipedia-org-3892 107 20 of of IN en-wikipedia-org-3892 107 21 the the DT en-wikipedia-org-3892 107 22 heart heart NN en-wikipedia-org-3892 107 23 , , , en-wikipedia-org-3892 107 24 with with IN en-wikipedia-org-3892 107 25 the the DT en-wikipedia-org-3892 107 26 outer outer JJ en-wikipedia-org-3892 107 27 muscles muscle NNS en-wikipedia-org-3892 107 28 forming form VBG en-wikipedia-org-3892 107 29 a a DT en-wikipedia-org-3892 107 30 figure figure NN en-wikipedia-org-3892 107 31 8 8 CD en-wikipedia-org-3892 107 32 pattern pattern NN en-wikipedia-org-3892 107 33 around around IN en-wikipedia-org-3892 107 34 the the DT en-wikipedia-org-3892 107 35 atria atria NNP en-wikipedia-org-3892 107 36 and and CC en-wikipedia-org-3892 107 37 around around IN en-wikipedia-org-3892 107 38 the the DT en-wikipedia-org-3892 107 39 bases basis NNS en-wikipedia-org-3892 107 40 of of IN en-wikipedia-org-3892 107 41 the the DT en-wikipedia-org-3892 107 42 great great JJ en-wikipedia-org-3892 107 43 vessels vessel NNS en-wikipedia-org-3892 107 44 and and CC en-wikipedia-org-3892 107 45 the the DT en-wikipedia-org-3892 107 46 inner inner JJ en-wikipedia-org-3892 107 47 muscles muscle NNS en-wikipedia-org-3892 107 48 , , , en-wikipedia-org-3892 107 49 forming form VBG en-wikipedia-org-3892 107 50 a a DT en-wikipedia-org-3892 107 51 figure figure NN en-wikipedia-org-3892 107 52 8 8 CD en-wikipedia-org-3892 107 53 around around IN en-wikipedia-org-3892 107 54 the the DT en-wikipedia-org-3892 107 55 two two CD en-wikipedia-org-3892 107 56 ventricles ventricle NNS en-wikipedia-org-3892 107 57 and and CC en-wikipedia-org-3892 107 58 proceeding proceed VBG en-wikipedia-org-3892 107 59 toward toward IN en-wikipedia-org-3892 107 60 the the DT en-wikipedia-org-3892 107 61 apex apex NN en-wikipedia-org-3892 107 62 . . . en-wikipedia-org-3892 108 1 This this DT en-wikipedia-org-3892 108 2 complex complex JJ en-wikipedia-org-3892 108 3 swirling swirling NN en-wikipedia-org-3892 108 4 pattern pattern NN en-wikipedia-org-3892 108 5 allows allow VBZ en-wikipedia-org-3892 108 6 the the DT en-wikipedia-org-3892 108 7 heart heart NN en-wikipedia-org-3892 108 8 to to TO en-wikipedia-org-3892 108 9 pump pump VB en-wikipedia-org-3892 108 10 blood blood NN en-wikipedia-org-3892 108 11 more more RBR en-wikipedia-org-3892 108 12 effectively effectively RB en-wikipedia-org-3892 108 13 . . . en-wikipedia-org-3892 109 1 [ [ -LRB- en-wikipedia-org-3892 109 2 7 7 LS en-wikipedia-org-3892 109 3 ] ] -RRB- en-wikipedia-org-3892 109 4 There there EX en-wikipedia-org-3892 109 5 are be VBP en-wikipedia-org-3892 109 6 two two CD en-wikipedia-org-3892 109 7 types type NNS en-wikipedia-org-3892 109 8 of of IN en-wikipedia-org-3892 109 9 cells cell NNS en-wikipedia-org-3892 109 10 in in IN en-wikipedia-org-3892 109 11 cardiac cardiac JJ en-wikipedia-org-3892 109 12 muscle muscle NN en-wikipedia-org-3892 109 13 : : : en-wikipedia-org-3892 109 14 muscle muscle NN en-wikipedia-org-3892 109 15 cells cell NNS en-wikipedia-org-3892 109 16 which which WDT en-wikipedia-org-3892 109 17 have have VBP en-wikipedia-org-3892 109 18 the the DT en-wikipedia-org-3892 109 19 ability ability NN en-wikipedia-org-3892 109 20 to to TO en-wikipedia-org-3892 109 21 contract contract VB en-wikipedia-org-3892 109 22 easily easily RB en-wikipedia-org-3892 109 23 , , , en-wikipedia-org-3892 109 24 and and CC en-wikipedia-org-3892 109 25 pacemaker pacemaker NN en-wikipedia-org-3892 109 26 cells cell NNS en-wikipedia-org-3892 109 27 of of IN en-wikipedia-org-3892 109 28 the the DT en-wikipedia-org-3892 109 29 conducting conduct VBG en-wikipedia-org-3892 109 30 system system NN en-wikipedia-org-3892 109 31 . . . en-wikipedia-org-3892 110 1 The the DT en-wikipedia-org-3892 110 2 muscle muscle NN en-wikipedia-org-3892 110 3 cells cell NNS en-wikipedia-org-3892 110 4 make make VBP en-wikipedia-org-3892 110 5 up up RP en-wikipedia-org-3892 110 6 the the DT en-wikipedia-org-3892 110 7 bulk bulk NN en-wikipedia-org-3892 110 8 ( ( -LRB- en-wikipedia-org-3892 110 9 99 99 CD en-wikipedia-org-3892 110 10 % % NN en-wikipedia-org-3892 110 11 ) ) -RRB- en-wikipedia-org-3892 110 12 of of IN en-wikipedia-org-3892 110 13 cells cell NNS en-wikipedia-org-3892 110 14 in in IN en-wikipedia-org-3892 110 15 the the DT en-wikipedia-org-3892 110 16 atria atria NNP en-wikipedia-org-3892 110 17 and and CC en-wikipedia-org-3892 110 18 ventricles ventricle NNS en-wikipedia-org-3892 110 19 . . . en-wikipedia-org-3892 111 1 These these DT en-wikipedia-org-3892 111 2 contractile contractile NN en-wikipedia-org-3892 111 3 cells cell NNS en-wikipedia-org-3892 111 4 are be VBP en-wikipedia-org-3892 111 5 connected connect VBN en-wikipedia-org-3892 111 6 by by IN en-wikipedia-org-3892 111 7 intercalated intercalate VBN en-wikipedia-org-3892 111 8 discs disc NNS en-wikipedia-org-3892 111 9 which which WDT en-wikipedia-org-3892 111 10 allow allow VBP en-wikipedia-org-3892 111 11 a a DT en-wikipedia-org-3892 111 12 rapid rapid JJ en-wikipedia-org-3892 111 13 response response NN en-wikipedia-org-3892 111 14 to to IN en-wikipedia-org-3892 111 15 impulses impulse NNS en-wikipedia-org-3892 111 16 of of IN en-wikipedia-org-3892 111 17 action action NN en-wikipedia-org-3892 111 18 potential potential NN en-wikipedia-org-3892 111 19 from from IN en-wikipedia-org-3892 111 20 the the DT en-wikipedia-org-3892 111 21 pacemaker pacemaker NN en-wikipedia-org-3892 111 22 cells cell NNS en-wikipedia-org-3892 111 23 . . . en-wikipedia-org-3892 112 1 The the DT en-wikipedia-org-3892 112 2 intercalated intercalated JJ en-wikipedia-org-3892 112 3 discs disc NNS en-wikipedia-org-3892 112 4 allow allow VBP en-wikipedia-org-3892 112 5 the the DT en-wikipedia-org-3892 112 6 cells cell NNS en-wikipedia-org-3892 112 7 to to TO en-wikipedia-org-3892 112 8 act act VB en-wikipedia-org-3892 112 9 as as IN en-wikipedia-org-3892 112 10 a a DT en-wikipedia-org-3892 112 11 syncytium syncytium NN en-wikipedia-org-3892 112 12 and and CC en-wikipedia-org-3892 112 13 enable enable VB en-wikipedia-org-3892 112 14 the the DT en-wikipedia-org-3892 112 15 contractions contraction NNS en-wikipedia-org-3892 112 16 that that WDT en-wikipedia-org-3892 112 17 pump pump VBP en-wikipedia-org-3892 112 18 blood blood NN en-wikipedia-org-3892 112 19 through through IN en-wikipedia-org-3892 112 20 the the DT en-wikipedia-org-3892 112 21 heart heart NN en-wikipedia-org-3892 112 22 and and CC en-wikipedia-org-3892 112 23 into into IN en-wikipedia-org-3892 112 24 the the DT en-wikipedia-org-3892 112 25 major major JJ en-wikipedia-org-3892 112 26 arteries artery NNS en-wikipedia-org-3892 112 27 . . . en-wikipedia-org-3892 113 1 [ [ -LRB- en-wikipedia-org-3892 113 2 7 7 LS en-wikipedia-org-3892 113 3 ] ] -RRB- en-wikipedia-org-3892 113 4 The the DT en-wikipedia-org-3892 113 5 pacemaker pacemaker NN en-wikipedia-org-3892 113 6 cells cell NNS en-wikipedia-org-3892 113 7 make make VBP en-wikipedia-org-3892 113 8 up up RP en-wikipedia-org-3892 113 9 1 1 CD en-wikipedia-org-3892 113 10 % % NN en-wikipedia-org-3892 113 11 of of IN en-wikipedia-org-3892 113 12 cells cell NNS en-wikipedia-org-3892 113 13 and and CC en-wikipedia-org-3892 113 14 form form VB en-wikipedia-org-3892 113 15 the the DT en-wikipedia-org-3892 113 16 conduction conduction NN en-wikipedia-org-3892 113 17 system system NN en-wikipedia-org-3892 113 18 of of IN en-wikipedia-org-3892 113 19 the the DT en-wikipedia-org-3892 113 20 heart heart NN en-wikipedia-org-3892 113 21 . . . en-wikipedia-org-3892 114 1 They -PRON- PRP en-wikipedia-org-3892 114 2 are be VBP en-wikipedia-org-3892 114 3 generally generally RB en-wikipedia-org-3892 114 4 much much RB en-wikipedia-org-3892 114 5 smaller small JJR en-wikipedia-org-3892 114 6 than than IN en-wikipedia-org-3892 114 7 the the DT en-wikipedia-org-3892 114 8 contractile contractile NN en-wikipedia-org-3892 114 9 cells cell NNS en-wikipedia-org-3892 114 10 and and CC en-wikipedia-org-3892 114 11 have have VBP en-wikipedia-org-3892 114 12 few few JJ en-wikipedia-org-3892 114 13 myofibrils myofibril NNS en-wikipedia-org-3892 114 14 which which WDT en-wikipedia-org-3892 114 15 gives give VBZ en-wikipedia-org-3892 114 16 them -PRON- PRP en-wikipedia-org-3892 114 17 limited limited JJ en-wikipedia-org-3892 114 18 contractibility contractibility NN en-wikipedia-org-3892 114 19 . . . en-wikipedia-org-3892 115 1 Their -PRON- PRP$ en-wikipedia-org-3892 115 2 function function NN en-wikipedia-org-3892 115 3 is be VBZ en-wikipedia-org-3892 115 4 similar similar JJ en-wikipedia-org-3892 115 5 in in IN en-wikipedia-org-3892 115 6 many many JJ en-wikipedia-org-3892 115 7 respects respect NNS en-wikipedia-org-3892 115 8 to to IN en-wikipedia-org-3892 115 9 neurons neuron NNS en-wikipedia-org-3892 115 10 . . . en-wikipedia-org-3892 116 1 [ [ -LRB- en-wikipedia-org-3892 116 2 7 7 LS en-wikipedia-org-3892 116 3 ] ] -RRB- en-wikipedia-org-3892 116 4 Cardiac cardiac JJ en-wikipedia-org-3892 116 5 muscle muscle NN en-wikipedia-org-3892 116 6 tissue tissue NN en-wikipedia-org-3892 116 7 has have VBZ en-wikipedia-org-3892 116 8 autorhythmicity autorhythmicity NN en-wikipedia-org-3892 116 9 , , , en-wikipedia-org-3892 116 10 the the DT en-wikipedia-org-3892 116 11 unique unique JJ en-wikipedia-org-3892 116 12 ability ability NN en-wikipedia-org-3892 116 13 to to TO en-wikipedia-org-3892 116 14 initiate initiate VB en-wikipedia-org-3892 116 15 a a DT en-wikipedia-org-3892 116 16 cardiac cardiac JJ en-wikipedia-org-3892 116 17 action action NN en-wikipedia-org-3892 116 18 potential potential NN en-wikipedia-org-3892 116 19 at at IN en-wikipedia-org-3892 116 20 a a DT en-wikipedia-org-3892 116 21 fixed fix VBN en-wikipedia-org-3892 116 22 rate rate NN en-wikipedia-org-3892 116 23 — — : en-wikipedia-org-3892 116 24 spreading spread VBG en-wikipedia-org-3892 116 25 the the DT en-wikipedia-org-3892 116 26 impulse impulse NN en-wikipedia-org-3892 116 27 rapidly rapidly RB en-wikipedia-org-3892 116 28 from from IN en-wikipedia-org-3892 116 29 cell cell NN en-wikipedia-org-3892 116 30 to to IN en-wikipedia-org-3892 116 31 cell cell NN en-wikipedia-org-3892 116 32 to to TO en-wikipedia-org-3892 116 33 trigger trigger VB en-wikipedia-org-3892 116 34 the the DT en-wikipedia-org-3892 116 35 contraction contraction NN en-wikipedia-org-3892 116 36 of of IN en-wikipedia-org-3892 116 37 the the DT en-wikipedia-org-3892 116 38 entire entire JJ en-wikipedia-org-3892 116 39 heart heart NN en-wikipedia-org-3892 116 40 . . . en-wikipedia-org-3892 117 1 [ [ -LRB- en-wikipedia-org-3892 117 2 7 7 LS en-wikipedia-org-3892 117 3 ] ] -RRB- en-wikipedia-org-3892 117 4 There there EX en-wikipedia-org-3892 117 5 are be VBP en-wikipedia-org-3892 117 6 specific specific JJ en-wikipedia-org-3892 117 7 proteins protein NNS en-wikipedia-org-3892 117 8 expressed express VBN en-wikipedia-org-3892 117 9 in in IN en-wikipedia-org-3892 117 10 cardiac cardiac JJ en-wikipedia-org-3892 117 11 muscle muscle NN en-wikipedia-org-3892 117 12 cells cell NNS en-wikipedia-org-3892 117 13 . . . en-wikipedia-org-3892 118 1 [ [ -LRB- en-wikipedia-org-3892 118 2 25][26 25][26 CD en-wikipedia-org-3892 118 3 ] ] -RRB- en-wikipedia-org-3892 118 4 These these DT en-wikipedia-org-3892 118 5 are be VBP en-wikipedia-org-3892 118 6 mostly mostly RB en-wikipedia-org-3892 118 7 associated associate VBN en-wikipedia-org-3892 118 8 with with IN en-wikipedia-org-3892 118 9 muscle muscle NN en-wikipedia-org-3892 118 10 contraction contraction NN en-wikipedia-org-3892 118 11 , , , en-wikipedia-org-3892 118 12 and and CC en-wikipedia-org-3892 118 13 bind bind VB en-wikipedia-org-3892 118 14 with with IN en-wikipedia-org-3892 118 15 actin actin NNP en-wikipedia-org-3892 118 16 , , , en-wikipedia-org-3892 118 17 myosin myosin NN en-wikipedia-org-3892 118 18 , , , en-wikipedia-org-3892 118 19 tropomyosin tropomyosin NN en-wikipedia-org-3892 118 20 , , , en-wikipedia-org-3892 118 21 and and CC en-wikipedia-org-3892 118 22 troponin troponin NNP en-wikipedia-org-3892 118 23 . . . en-wikipedia-org-3892 119 1 They -PRON- PRP en-wikipedia-org-3892 119 2 include include VBP en-wikipedia-org-3892 119 3 MYH6 MYH6 NNP en-wikipedia-org-3892 119 4 , , , en-wikipedia-org-3892 119 5 ACTC1 ACTC1 NNP en-wikipedia-org-3892 119 6 , , , en-wikipedia-org-3892 119 7 TNNI3 TNNI3 NNP en-wikipedia-org-3892 119 8 , , , en-wikipedia-org-3892 119 9 CDH2 CDH2 NNP en-wikipedia-org-3892 119 10 and and CC en-wikipedia-org-3892 119 11 PKP2 PKP2 NNP en-wikipedia-org-3892 119 12 . . . en-wikipedia-org-3892 120 1 Other other JJ en-wikipedia-org-3892 120 2 proteins protein NNS en-wikipedia-org-3892 120 3 expressed express VBN en-wikipedia-org-3892 120 4 are be VBP en-wikipedia-org-3892 120 5 MYH7 MYH7 NNP en-wikipedia-org-3892 120 6 and and CC en-wikipedia-org-3892 120 7 LDB3 LDB3 NNP en-wikipedia-org-3892 120 8 that that WDT en-wikipedia-org-3892 120 9 are be VBP en-wikipedia-org-3892 120 10 also also RB en-wikipedia-org-3892 120 11 expressed express VBN en-wikipedia-org-3892 120 12 in in IN en-wikipedia-org-3892 120 13 skeletal skeletal JJ en-wikipedia-org-3892 120 14 muscle muscle NN en-wikipedia-org-3892 120 15 . . . en-wikipedia-org-3892 121 1 [ [ -LRB- en-wikipedia-org-3892 121 2 27 27 CD en-wikipedia-org-3892 121 3 ] ] -RRB- en-wikipedia-org-3892 121 4 Pericardium Pericardium NNP en-wikipedia-org-3892 121 5 The the DT en-wikipedia-org-3892 121 6 pericardium pericardium NN en-wikipedia-org-3892 121 7 is be VBZ en-wikipedia-org-3892 121 8 the the DT en-wikipedia-org-3892 121 9 sac sac NN en-wikipedia-org-3892 121 10 that that WDT en-wikipedia-org-3892 121 11 surrounds surround VBZ en-wikipedia-org-3892 121 12 the the DT en-wikipedia-org-3892 121 13 heart heart NN en-wikipedia-org-3892 121 14 . . . en-wikipedia-org-3892 122 1 The the DT en-wikipedia-org-3892 122 2 tough tough JJ en-wikipedia-org-3892 122 3 outer outer JJ en-wikipedia-org-3892 122 4 surface surface NN en-wikipedia-org-3892 122 5 of of IN en-wikipedia-org-3892 122 6 the the DT en-wikipedia-org-3892 122 7 pericardium pericardium NN en-wikipedia-org-3892 122 8 is be VBZ en-wikipedia-org-3892 122 9 called call VBN en-wikipedia-org-3892 122 10 the the DT en-wikipedia-org-3892 122 11 fibrous fibrous JJ en-wikipedia-org-3892 122 12 membrane membrane NN en-wikipedia-org-3892 122 13 . . . en-wikipedia-org-3892 123 1 This this DT en-wikipedia-org-3892 123 2 is be VBZ en-wikipedia-org-3892 123 3 lined line VBN en-wikipedia-org-3892 123 4 by by IN en-wikipedia-org-3892 123 5 a a DT en-wikipedia-org-3892 123 6 double double JJ en-wikipedia-org-3892 123 7 inner inner JJ en-wikipedia-org-3892 123 8 membrane membrane NN en-wikipedia-org-3892 123 9 called call VBD en-wikipedia-org-3892 123 10 the the DT en-wikipedia-org-3892 123 11 serous serous JJ en-wikipedia-org-3892 123 12 membrane membrane NN en-wikipedia-org-3892 123 13 that that WDT en-wikipedia-org-3892 123 14 produces produce VBZ en-wikipedia-org-3892 123 15 pericardial pericardial JJ en-wikipedia-org-3892 123 16 fluid fluid NN en-wikipedia-org-3892 123 17 to to TO en-wikipedia-org-3892 123 18 lubricate lubricate VB en-wikipedia-org-3892 123 19 the the DT en-wikipedia-org-3892 123 20 surface surface NN en-wikipedia-org-3892 123 21 of of IN en-wikipedia-org-3892 123 22 the the DT en-wikipedia-org-3892 123 23 heart heart NN en-wikipedia-org-3892 123 24 . . . en-wikipedia-org-3892 124 1 [ [ -LRB- en-wikipedia-org-3892 124 2 28 28 CD en-wikipedia-org-3892 124 3 ] ] -RRB- en-wikipedia-org-3892 124 4 The the DT en-wikipedia-org-3892 124 5 part part NN en-wikipedia-org-3892 124 6 of of IN en-wikipedia-org-3892 124 7 the the DT en-wikipedia-org-3892 124 8 serous serous JJ en-wikipedia-org-3892 124 9 membrane membrane NN en-wikipedia-org-3892 124 10 attached attach VBN en-wikipedia-org-3892 124 11 to to IN en-wikipedia-org-3892 124 12 the the DT en-wikipedia-org-3892 124 13 fibrous fibrous JJ en-wikipedia-org-3892 124 14 membrane membrane NN en-wikipedia-org-3892 124 15 is be VBZ en-wikipedia-org-3892 124 16 called call VBN en-wikipedia-org-3892 124 17 the the DT en-wikipedia-org-3892 124 18 parietal parietal JJ en-wikipedia-org-3892 124 19 pericardium pericardium NN en-wikipedia-org-3892 124 20 , , , en-wikipedia-org-3892 124 21 while while IN en-wikipedia-org-3892 124 22 the the DT en-wikipedia-org-3892 124 23 part part NN en-wikipedia-org-3892 124 24 of of IN en-wikipedia-org-3892 124 25 the the DT en-wikipedia-org-3892 124 26 serous serous JJ en-wikipedia-org-3892 124 27 membrane membrane NN en-wikipedia-org-3892 124 28 attached attach VBN en-wikipedia-org-3892 124 29 to to IN en-wikipedia-org-3892 124 30 the the DT en-wikipedia-org-3892 124 31 heart heart NN en-wikipedia-org-3892 124 32 is be VBZ en-wikipedia-org-3892 124 33 known know VBN en-wikipedia-org-3892 124 34 as as IN en-wikipedia-org-3892 124 35 the the DT en-wikipedia-org-3892 124 36 visceral visceral JJ en-wikipedia-org-3892 124 37 pericardium pericardium NN en-wikipedia-org-3892 124 38 . . . en-wikipedia-org-3892 125 1 The the DT en-wikipedia-org-3892 125 2 pericardium pericardium NN en-wikipedia-org-3892 125 3 is be VBZ en-wikipedia-org-3892 125 4 present present JJ en-wikipedia-org-3892 125 5 in in IN en-wikipedia-org-3892 125 6 order order NN en-wikipedia-org-3892 125 7 to to TO en-wikipedia-org-3892 125 8 lubricate lubricate VB en-wikipedia-org-3892 125 9 its -PRON- PRP$ en-wikipedia-org-3892 125 10 movement movement NN en-wikipedia-org-3892 125 11 against against IN en-wikipedia-org-3892 125 12 other other JJ en-wikipedia-org-3892 125 13 structures structure NNS en-wikipedia-org-3892 125 14 within within IN en-wikipedia-org-3892 125 15 the the DT en-wikipedia-org-3892 125 16 chest chest NN en-wikipedia-org-3892 125 17 , , , en-wikipedia-org-3892 125 18 to to TO en-wikipedia-org-3892 125 19 keep keep VB en-wikipedia-org-3892 125 20 the the DT en-wikipedia-org-3892 125 21 heart heart NN en-wikipedia-org-3892 125 22 's 's POS en-wikipedia-org-3892 125 23 position position NN en-wikipedia-org-3892 125 24 stabilised stabilise VBD en-wikipedia-org-3892 125 25 within within IN en-wikipedia-org-3892 125 26 the the DT en-wikipedia-org-3892 125 27 chest chest NN en-wikipedia-org-3892 125 28 , , , en-wikipedia-org-3892 125 29 and and CC en-wikipedia-org-3892 125 30 to to TO en-wikipedia-org-3892 125 31 protect protect VB en-wikipedia-org-3892 125 32 the the DT en-wikipedia-org-3892 125 33 heart heart NN en-wikipedia-org-3892 125 34 from from IN en-wikipedia-org-3892 125 35 infection infection NN en-wikipedia-org-3892 125 36 . . . en-wikipedia-org-3892 126 1 [ [ -LRB- en-wikipedia-org-3892 126 2 29 29 CD en-wikipedia-org-3892 126 3 ] ] -RRB- en-wikipedia-org-3892 126 4 Coronary coronary JJ en-wikipedia-org-3892 126 5 circulation circulation NN en-wikipedia-org-3892 126 6 Arterial arterial JJ en-wikipedia-org-3892 126 7 supply supply NN en-wikipedia-org-3892 126 8 to to IN en-wikipedia-org-3892 126 9 the the DT en-wikipedia-org-3892 126 10 heart heart NN en-wikipedia-org-3892 126 11 ( ( -LRB- en-wikipedia-org-3892 126 12 red red NNP en-wikipedia-org-3892 126 13 ) ) -RRB- en-wikipedia-org-3892 126 14 , , , en-wikipedia-org-3892 126 15 with with IN en-wikipedia-org-3892 126 16 other other JJ en-wikipedia-org-3892 126 17 areas area NNS en-wikipedia-org-3892 126 18 labelled label VBN en-wikipedia-org-3892 126 19 ( ( -LRB- en-wikipedia-org-3892 126 20 blue blue NNP en-wikipedia-org-3892 126 21 ) ) -RRB- en-wikipedia-org-3892 126 22 . . . en-wikipedia-org-3892 127 1 Main main JJ en-wikipedia-org-3892 127 2 article article NN en-wikipedia-org-3892 127 3 : : : en-wikipedia-org-3892 127 4 Coronary coronary JJ en-wikipedia-org-3892 127 5 circulation circulation NN en-wikipedia-org-3892 127 6 Heart heart NN en-wikipedia-org-3892 127 7 tissue tissue NN en-wikipedia-org-3892 127 8 , , , en-wikipedia-org-3892 127 9 like like IN en-wikipedia-org-3892 127 10 all all DT en-wikipedia-org-3892 127 11 cells cell NNS en-wikipedia-org-3892 127 12 in in IN en-wikipedia-org-3892 127 13 the the DT en-wikipedia-org-3892 127 14 body body NN en-wikipedia-org-3892 127 15 , , , en-wikipedia-org-3892 127 16 needs need VBZ en-wikipedia-org-3892 127 17 to to TO en-wikipedia-org-3892 127 18 be be VB en-wikipedia-org-3892 127 19 supplied supply VBN en-wikipedia-org-3892 127 20 with with IN en-wikipedia-org-3892 127 21 oxygen oxygen NN en-wikipedia-org-3892 127 22 , , , en-wikipedia-org-3892 127 23 nutrients nutrient NNS en-wikipedia-org-3892 127 24 and and CC en-wikipedia-org-3892 127 25 a a DT en-wikipedia-org-3892 127 26 way way NN en-wikipedia-org-3892 127 27 of of IN en-wikipedia-org-3892 127 28 removing remove VBG en-wikipedia-org-3892 127 29 metabolic metabolic JJ en-wikipedia-org-3892 127 30 wastes waste NNS en-wikipedia-org-3892 127 31 . . . en-wikipedia-org-3892 128 1 This this DT en-wikipedia-org-3892 128 2 is be VBZ en-wikipedia-org-3892 128 3 achieved achieve VBN en-wikipedia-org-3892 128 4 by by IN en-wikipedia-org-3892 128 5 the the DT en-wikipedia-org-3892 128 6 coronary coronary JJ en-wikipedia-org-3892 128 7 circulation circulation NN en-wikipedia-org-3892 128 8 , , , en-wikipedia-org-3892 128 9 which which WDT en-wikipedia-org-3892 128 10 includes include VBZ en-wikipedia-org-3892 128 11 arteries artery NNS en-wikipedia-org-3892 128 12 , , , en-wikipedia-org-3892 128 13 veins vein NNS en-wikipedia-org-3892 128 14 , , , en-wikipedia-org-3892 128 15 and and CC en-wikipedia-org-3892 128 16 lymphatic lymphatic JJ en-wikipedia-org-3892 128 17 vessels vessel NNS en-wikipedia-org-3892 128 18 . . . en-wikipedia-org-3892 129 1 Blood blood NN en-wikipedia-org-3892 129 2 flow flow NN en-wikipedia-org-3892 129 3 through through IN en-wikipedia-org-3892 129 4 the the DT en-wikipedia-org-3892 129 5 coronary coronary JJ en-wikipedia-org-3892 129 6 vessels vessel NNS en-wikipedia-org-3892 129 7 occurs occur VBZ en-wikipedia-org-3892 129 8 in in IN en-wikipedia-org-3892 129 9 peaks peak NNS en-wikipedia-org-3892 129 10 and and CC en-wikipedia-org-3892 129 11 troughs trough NNS en-wikipedia-org-3892 129 12 relating relate VBG en-wikipedia-org-3892 129 13 to to IN en-wikipedia-org-3892 129 14 the the DT en-wikipedia-org-3892 129 15 heart heart NN en-wikipedia-org-3892 129 16 muscle muscle NN en-wikipedia-org-3892 129 17 's 's POS en-wikipedia-org-3892 129 18 relaxation relaxation NN en-wikipedia-org-3892 129 19 or or CC en-wikipedia-org-3892 129 20 contraction contraction NN en-wikipedia-org-3892 129 21 . . . en-wikipedia-org-3892 130 1 [ [ -LRB- en-wikipedia-org-3892 130 2 7 7 CD en-wikipedia-org-3892 130 3 ] ] -RRB- en-wikipedia-org-3892 130 4 Heart heart NN en-wikipedia-org-3892 130 5 tissue tissue NN en-wikipedia-org-3892 130 6 receives receive VBZ en-wikipedia-org-3892 130 7 blood blood NN en-wikipedia-org-3892 130 8 from from IN en-wikipedia-org-3892 130 9 two two CD en-wikipedia-org-3892 130 10 arteries artery NNS en-wikipedia-org-3892 130 11 which which WDT en-wikipedia-org-3892 130 12 arise arise VBP en-wikipedia-org-3892 130 13 just just RB en-wikipedia-org-3892 130 14 above above IN en-wikipedia-org-3892 130 15 the the DT en-wikipedia-org-3892 130 16 aortic aortic JJ en-wikipedia-org-3892 130 17 valve valve NN en-wikipedia-org-3892 130 18 . . . en-wikipedia-org-3892 131 1 These these DT en-wikipedia-org-3892 131 2 are be VBP en-wikipedia-org-3892 131 3 the the DT en-wikipedia-org-3892 131 4 left left JJ en-wikipedia-org-3892 131 5 main main JJ en-wikipedia-org-3892 131 6 coronary coronary JJ en-wikipedia-org-3892 131 7 artery artery NN en-wikipedia-org-3892 131 8 and and CC en-wikipedia-org-3892 131 9 the the DT en-wikipedia-org-3892 131 10 right right JJ en-wikipedia-org-3892 131 11 coronary coronary JJ en-wikipedia-org-3892 131 12 artery artery NN en-wikipedia-org-3892 131 13 . . . en-wikipedia-org-3892 132 1 The the DT en-wikipedia-org-3892 132 2 left left JJ en-wikipedia-org-3892 132 3 main main JJ en-wikipedia-org-3892 132 4 coronary coronary JJ en-wikipedia-org-3892 132 5 artery artery NN en-wikipedia-org-3892 132 6 splits split VBZ en-wikipedia-org-3892 132 7 shortly shortly RB en-wikipedia-org-3892 132 8 after after IN en-wikipedia-org-3892 132 9 leaving leave VBG en-wikipedia-org-3892 132 10 the the DT en-wikipedia-org-3892 132 11 aorta aorta NN en-wikipedia-org-3892 132 12 into into IN en-wikipedia-org-3892 132 13 two two CD en-wikipedia-org-3892 132 14 vessels vessel NNS en-wikipedia-org-3892 132 15 , , , en-wikipedia-org-3892 132 16 the the DT en-wikipedia-org-3892 132 17 left left JJ en-wikipedia-org-3892 132 18 anterior anterior NN en-wikipedia-org-3892 132 19 descending descend VBG en-wikipedia-org-3892 132 20 and and CC en-wikipedia-org-3892 132 21 the the DT en-wikipedia-org-3892 132 22 left left JJ en-wikipedia-org-3892 132 23 circumflex circumflex NN en-wikipedia-org-3892 132 24 artery artery NN en-wikipedia-org-3892 132 25 . . . en-wikipedia-org-3892 133 1 The the DT en-wikipedia-org-3892 133 2 left left JJ en-wikipedia-org-3892 133 3 anterior anterior NN en-wikipedia-org-3892 133 4 descending descend VBG en-wikipedia-org-3892 133 5 artery artery NN en-wikipedia-org-3892 133 6 supplies supply VBZ en-wikipedia-org-3892 133 7 heart heart NN en-wikipedia-org-3892 133 8 tissue tissue NN en-wikipedia-org-3892 133 9 and and CC en-wikipedia-org-3892 133 10 the the DT en-wikipedia-org-3892 133 11 front front JJ en-wikipedia-org-3892 133 12 , , , en-wikipedia-org-3892 133 13 outer outer JJ en-wikipedia-org-3892 133 14 side side NN en-wikipedia-org-3892 133 15 , , , en-wikipedia-org-3892 133 16 and and CC en-wikipedia-org-3892 133 17 the the DT en-wikipedia-org-3892 133 18 septum septum NN en-wikipedia-org-3892 133 19 of of IN en-wikipedia-org-3892 133 20 the the DT en-wikipedia-org-3892 133 21 left left JJ en-wikipedia-org-3892 133 22 ventricle ventricle NN en-wikipedia-org-3892 133 23 . . . en-wikipedia-org-3892 134 1 It -PRON- PRP en-wikipedia-org-3892 134 2 does do VBZ en-wikipedia-org-3892 134 3 this this DT en-wikipedia-org-3892 134 4 by by IN en-wikipedia-org-3892 134 5 branching branch VBG en-wikipedia-org-3892 134 6 into into IN en-wikipedia-org-3892 134 7 smaller small JJR en-wikipedia-org-3892 134 8 arteries artery NNS en-wikipedia-org-3892 134 9 — — : en-wikipedia-org-3892 134 10 diagonal diagonal JJ en-wikipedia-org-3892 134 11 and and CC en-wikipedia-org-3892 134 12 septal septal JJ en-wikipedia-org-3892 134 13 branches branch NNS en-wikipedia-org-3892 134 14 . . . en-wikipedia-org-3892 135 1 The the DT en-wikipedia-org-3892 135 2 left left JJ en-wikipedia-org-3892 135 3 circumflex circumflex NN en-wikipedia-org-3892 135 4 supplies supply VBZ en-wikipedia-org-3892 135 5 the the DT en-wikipedia-org-3892 135 6 back back NN en-wikipedia-org-3892 135 7 and and CC en-wikipedia-org-3892 135 8 underneath underneath RB en-wikipedia-org-3892 135 9 of of IN en-wikipedia-org-3892 135 10 the the DT en-wikipedia-org-3892 135 11 left left JJ en-wikipedia-org-3892 135 12 ventricle ventricle NN en-wikipedia-org-3892 135 13 . . . en-wikipedia-org-3892 136 1 The the DT en-wikipedia-org-3892 136 2 right right JJ en-wikipedia-org-3892 136 3 coronary coronary JJ en-wikipedia-org-3892 136 4 artery artery NN en-wikipedia-org-3892 136 5 supplies supply VBZ en-wikipedia-org-3892 136 6 the the DT en-wikipedia-org-3892 136 7 right right JJ en-wikipedia-org-3892 136 8 atrium atrium NN en-wikipedia-org-3892 136 9 , , , en-wikipedia-org-3892 136 10 right right JJ en-wikipedia-org-3892 136 11 ventricle ventricle NN en-wikipedia-org-3892 136 12 , , , en-wikipedia-org-3892 136 13 and and CC en-wikipedia-org-3892 136 14 lower low JJR en-wikipedia-org-3892 136 15 posterior posterior JJ en-wikipedia-org-3892 136 16 sections section NNS en-wikipedia-org-3892 136 17 of of IN en-wikipedia-org-3892 136 18 the the DT en-wikipedia-org-3892 136 19 left left JJ en-wikipedia-org-3892 136 20 ventricle ventricle NN en-wikipedia-org-3892 136 21 . . . en-wikipedia-org-3892 137 1 The the DT en-wikipedia-org-3892 137 2 right right JJ en-wikipedia-org-3892 137 3 coronary coronary JJ en-wikipedia-org-3892 137 4 artery artery NN en-wikipedia-org-3892 137 5 also also RB en-wikipedia-org-3892 137 6 supplies supply VBZ en-wikipedia-org-3892 137 7 blood blood NN en-wikipedia-org-3892 137 8 to to IN en-wikipedia-org-3892 137 9 the the DT en-wikipedia-org-3892 137 10 atrioventricular atrioventricular JJ en-wikipedia-org-3892 137 11 node node NN en-wikipedia-org-3892 137 12 ( ( -LRB- en-wikipedia-org-3892 137 13 in in IN en-wikipedia-org-3892 137 14 about about RB en-wikipedia-org-3892 137 15 90 90 CD en-wikipedia-org-3892 137 16 % % NN en-wikipedia-org-3892 137 17 of of IN en-wikipedia-org-3892 137 18 people people NNS en-wikipedia-org-3892 137 19 ) ) -RRB- en-wikipedia-org-3892 137 20 and and CC en-wikipedia-org-3892 137 21 the the DT en-wikipedia-org-3892 137 22 sinoatrial sinoatrial NNP en-wikipedia-org-3892 137 23 node node NNP en-wikipedia-org-3892 137 24 ( ( -LRB- en-wikipedia-org-3892 137 25 in in IN en-wikipedia-org-3892 137 26 about about RB en-wikipedia-org-3892 137 27 60 60 CD en-wikipedia-org-3892 137 28 % % NN en-wikipedia-org-3892 137 29 of of IN en-wikipedia-org-3892 137 30 people people NNS en-wikipedia-org-3892 137 31 ) ) -RRB- en-wikipedia-org-3892 137 32 . . . en-wikipedia-org-3892 138 1 The the DT en-wikipedia-org-3892 138 2 right right JJ en-wikipedia-org-3892 138 3 coronary coronary JJ en-wikipedia-org-3892 138 4 artery artery NN en-wikipedia-org-3892 138 5 runs run VBZ en-wikipedia-org-3892 138 6 in in IN en-wikipedia-org-3892 138 7 a a DT en-wikipedia-org-3892 138 8 groove groove NN en-wikipedia-org-3892 138 9 at at IN en-wikipedia-org-3892 138 10 the the DT en-wikipedia-org-3892 138 11 back back NN en-wikipedia-org-3892 138 12 of of IN en-wikipedia-org-3892 138 13 the the DT en-wikipedia-org-3892 138 14 heart heart NN en-wikipedia-org-3892 138 15 and and CC en-wikipedia-org-3892 138 16 the the DT en-wikipedia-org-3892 138 17 left left JJ en-wikipedia-org-3892 138 18 anterior anterior NN en-wikipedia-org-3892 138 19 descending descend VBG en-wikipedia-org-3892 138 20 artery artery NN en-wikipedia-org-3892 138 21 runs run VBZ en-wikipedia-org-3892 138 22 in in IN en-wikipedia-org-3892 138 23 a a DT en-wikipedia-org-3892 138 24 groove groove NN en-wikipedia-org-3892 138 25 at at IN en-wikipedia-org-3892 138 26 the the DT en-wikipedia-org-3892 138 27 front front NN en-wikipedia-org-3892 138 28 . . . en-wikipedia-org-3892 139 1 There there EX en-wikipedia-org-3892 139 2 is be VBZ en-wikipedia-org-3892 139 3 significant significant JJ en-wikipedia-org-3892 139 4 variation variation NN en-wikipedia-org-3892 139 5 between between IN en-wikipedia-org-3892 139 6 people people NNS en-wikipedia-org-3892 139 7 in in IN en-wikipedia-org-3892 139 8 the the DT en-wikipedia-org-3892 139 9 anatomy anatomy NN en-wikipedia-org-3892 139 10 of of IN en-wikipedia-org-3892 139 11 the the DT en-wikipedia-org-3892 139 12 arteries artery NNS en-wikipedia-org-3892 139 13 that that WDT en-wikipedia-org-3892 139 14 supply supply VBP en-wikipedia-org-3892 139 15 the the DT en-wikipedia-org-3892 139 16 heart heart NN en-wikipedia-org-3892 139 17 [ [ -LRB- en-wikipedia-org-3892 139 18 30 30 CD en-wikipedia-org-3892 139 19 ] ] -RRB- en-wikipedia-org-3892 139 20 The the DT en-wikipedia-org-3892 139 21 arteries artery NNS en-wikipedia-org-3892 139 22 divide divide VBP en-wikipedia-org-3892 139 23 at at IN en-wikipedia-org-3892 139 24 their -PRON- PRP$ en-wikipedia-org-3892 139 25 furtherst furtherst JJ en-wikipedia-org-3892 139 26 reaches reach VBZ en-wikipedia-org-3892 139 27 into into IN en-wikipedia-org-3892 139 28 smaller small JJR en-wikipedia-org-3892 139 29 branches branch NNS en-wikipedia-org-3892 139 30 that that WDT en-wikipedia-org-3892 139 31 join join VBP en-wikipedia-org-3892 139 32 together together RB en-wikipedia-org-3892 139 33 at at IN en-wikipedia-org-3892 139 34 the the DT en-wikipedia-org-3892 139 35 edges edge NNS en-wikipedia-org-3892 139 36 of of IN en-wikipedia-org-3892 139 37 each each DT en-wikipedia-org-3892 139 38 arterial arterial JJ en-wikipedia-org-3892 139 39 distribution distribution NN en-wikipedia-org-3892 139 40 . . . en-wikipedia-org-3892 140 1 [ [ -LRB- en-wikipedia-org-3892 140 2 7 7 LS en-wikipedia-org-3892 140 3 ] ] -RRB- en-wikipedia-org-3892 140 4 The the DT en-wikipedia-org-3892 140 5 coronary coronary JJ en-wikipedia-org-3892 140 6 sinus sinus NN en-wikipedia-org-3892 140 7 is be VBZ en-wikipedia-org-3892 140 8 a a DT en-wikipedia-org-3892 140 9 large large JJ en-wikipedia-org-3892 140 10 vein vein NN en-wikipedia-org-3892 140 11 that that WDT en-wikipedia-org-3892 140 12 drains drain VBZ en-wikipedia-org-3892 140 13 into into IN en-wikipedia-org-3892 140 14 the the DT en-wikipedia-org-3892 140 15 right right JJ en-wikipedia-org-3892 140 16 atrium atrium NN en-wikipedia-org-3892 140 17 , , , en-wikipedia-org-3892 140 18 and and CC en-wikipedia-org-3892 140 19 receives receive VBZ en-wikipedia-org-3892 140 20 most most JJS en-wikipedia-org-3892 140 21 of of IN en-wikipedia-org-3892 140 22 the the DT en-wikipedia-org-3892 140 23 venous venous JJ en-wikipedia-org-3892 140 24 drainage drainage NN en-wikipedia-org-3892 140 25 of of IN en-wikipedia-org-3892 140 26 the the DT en-wikipedia-org-3892 140 27 heart heart NN en-wikipedia-org-3892 140 28 . . . en-wikipedia-org-3892 141 1 It -PRON- PRP en-wikipedia-org-3892 141 2 receives receive VBZ en-wikipedia-org-3892 141 3 blood blood NN en-wikipedia-org-3892 141 4 from from IN en-wikipedia-org-3892 141 5 the the DT en-wikipedia-org-3892 141 6 great great JJ en-wikipedia-org-3892 141 7 cardiac cardiac NNP en-wikipedia-org-3892 141 8 vein vein NN en-wikipedia-org-3892 141 9 ( ( -LRB- en-wikipedia-org-3892 141 10 receiving receive VBG en-wikipedia-org-3892 141 11 the the DT en-wikipedia-org-3892 141 12 left left JJ en-wikipedia-org-3892 141 13 atrium atrium NN en-wikipedia-org-3892 141 14 and and CC en-wikipedia-org-3892 141 15 both both DT en-wikipedia-org-3892 141 16 ventricles ventricle NNS en-wikipedia-org-3892 141 17 ) ) -RRB- en-wikipedia-org-3892 141 18 , , , en-wikipedia-org-3892 141 19 the the DT en-wikipedia-org-3892 141 20 posterior posterior NNP en-wikipedia-org-3892 141 21 cardiac cardiac NNP en-wikipedia-org-3892 141 22 vein vein NNP en-wikipedia-org-3892 141 23 ( ( -LRB- en-wikipedia-org-3892 141 24 draining drain VBG en-wikipedia-org-3892 141 25 the the DT en-wikipedia-org-3892 141 26 back back NN en-wikipedia-org-3892 141 27 of of IN en-wikipedia-org-3892 141 28 the the DT en-wikipedia-org-3892 141 29 left left JJ en-wikipedia-org-3892 141 30 ventricle ventricle NN en-wikipedia-org-3892 141 31 ) ) -RRB- en-wikipedia-org-3892 141 32 , , , en-wikipedia-org-3892 141 33 the the DT en-wikipedia-org-3892 141 34 middle middle NNP en-wikipedia-org-3892 141 35 cardiac cardiac NNP en-wikipedia-org-3892 141 36 vein vein NNP en-wikipedia-org-3892 141 37 ( ( -LRB- en-wikipedia-org-3892 141 38 draining drain VBG en-wikipedia-org-3892 141 39 the the DT en-wikipedia-org-3892 141 40 bottom bottom NN en-wikipedia-org-3892 141 41 of of IN en-wikipedia-org-3892 141 42 the the DT en-wikipedia-org-3892 141 43 left left NN en-wikipedia-org-3892 141 44 and and CC en-wikipedia-org-3892 141 45 right right JJ en-wikipedia-org-3892 141 46 ventricles ventricle NNS en-wikipedia-org-3892 141 47 ) ) -RRB- en-wikipedia-org-3892 141 48 , , , en-wikipedia-org-3892 141 49 and and CC en-wikipedia-org-3892 141 50 small small JJ en-wikipedia-org-3892 141 51 cardiac cardiac JJ en-wikipedia-org-3892 141 52 veins vein NNS en-wikipedia-org-3892 141 53 . . . en-wikipedia-org-3892 142 1 [ [ -LRB- en-wikipedia-org-3892 142 2 31 31 CD en-wikipedia-org-3892 142 3 ] ] -RRB- en-wikipedia-org-3892 142 4 The the DT en-wikipedia-org-3892 142 5 anterior anterior JJ en-wikipedia-org-3892 142 6 cardiac cardiac JJ en-wikipedia-org-3892 142 7 veins vein NNS en-wikipedia-org-3892 142 8 drain drain VBP en-wikipedia-org-3892 142 9 the the DT en-wikipedia-org-3892 142 10 front front NN en-wikipedia-org-3892 142 11 of of IN en-wikipedia-org-3892 142 12 the the DT en-wikipedia-org-3892 142 13 right right JJ en-wikipedia-org-3892 142 14 ventricle ventricle NN en-wikipedia-org-3892 142 15 and and CC en-wikipedia-org-3892 142 16 drain drain VB en-wikipedia-org-3892 142 17 directly directly RB en-wikipedia-org-3892 142 18 into into IN en-wikipedia-org-3892 142 19 the the DT en-wikipedia-org-3892 142 20 right right JJ en-wikipedia-org-3892 142 21 atrium atrium NN en-wikipedia-org-3892 142 22 . . . en-wikipedia-org-3892 143 1 [ [ -LRB- en-wikipedia-org-3892 143 2 7 7 CD en-wikipedia-org-3892 143 3 ] ] -RRB- en-wikipedia-org-3892 143 4 Small small JJ en-wikipedia-org-3892 143 5 lymphatic lymphatic JJ en-wikipedia-org-3892 143 6 networks network NNS en-wikipedia-org-3892 143 7 called call VBN en-wikipedia-org-3892 143 8 plexuses plexus NNS en-wikipedia-org-3892 143 9 exist exist VBP en-wikipedia-org-3892 143 10 beneath beneath IN en-wikipedia-org-3892 143 11 each each DT en-wikipedia-org-3892 143 12 of of IN en-wikipedia-org-3892 143 13 the the DT en-wikipedia-org-3892 143 14 three three CD en-wikipedia-org-3892 143 15 layers layer NNS en-wikipedia-org-3892 143 16 of of IN en-wikipedia-org-3892 143 17 the the DT en-wikipedia-org-3892 143 18 heart heart NN en-wikipedia-org-3892 143 19 . . . en-wikipedia-org-3892 144 1 These these DT en-wikipedia-org-3892 144 2 networks network NNS en-wikipedia-org-3892 144 3 collect collect VBP en-wikipedia-org-3892 144 4 into into IN en-wikipedia-org-3892 144 5 a a DT en-wikipedia-org-3892 144 6 main main JJ en-wikipedia-org-3892 144 7 left left NN en-wikipedia-org-3892 144 8 and and CC en-wikipedia-org-3892 144 9 a a DT en-wikipedia-org-3892 144 10 main main JJ en-wikipedia-org-3892 144 11 right right JJ en-wikipedia-org-3892 144 12 trunk trunk NN en-wikipedia-org-3892 144 13 , , , en-wikipedia-org-3892 144 14 which which WDT en-wikipedia-org-3892 144 15 travel travel VBP en-wikipedia-org-3892 144 16 up up RP en-wikipedia-org-3892 144 17 the the DT en-wikipedia-org-3892 144 18 groove groove NN en-wikipedia-org-3892 144 19 between between IN en-wikipedia-org-3892 144 20 the the DT en-wikipedia-org-3892 144 21 ventricles ventricle NNS en-wikipedia-org-3892 144 22 that that WDT en-wikipedia-org-3892 144 23 exists exist VBZ en-wikipedia-org-3892 144 24 on on IN en-wikipedia-org-3892 144 25 the the DT en-wikipedia-org-3892 144 26 heart heart NN en-wikipedia-org-3892 144 27 's 's POS en-wikipedia-org-3892 144 28 surface surface NN en-wikipedia-org-3892 144 29 , , , en-wikipedia-org-3892 144 30 receiving receive VBG en-wikipedia-org-3892 144 31 smaller small JJR en-wikipedia-org-3892 144 32 vessels vessel NNS en-wikipedia-org-3892 144 33 as as IN en-wikipedia-org-3892 144 34 they -PRON- PRP en-wikipedia-org-3892 144 35 travel travel VBP en-wikipedia-org-3892 144 36 up up RP en-wikipedia-org-3892 144 37 . . . en-wikipedia-org-3892 145 1 These these DT en-wikipedia-org-3892 145 2 vessels vessel NNS en-wikipedia-org-3892 145 3 then then RB en-wikipedia-org-3892 145 4 travel travel VBP en-wikipedia-org-3892 145 5 into into IN en-wikipedia-org-3892 145 6 the the DT en-wikipedia-org-3892 145 7 atrioventricular atrioventricular JJ en-wikipedia-org-3892 145 8 groove groove NN en-wikipedia-org-3892 145 9 , , , en-wikipedia-org-3892 145 10 and and CC en-wikipedia-org-3892 145 11 receive receive VBP en-wikipedia-org-3892 145 12 a a DT en-wikipedia-org-3892 145 13 third third JJ en-wikipedia-org-3892 145 14 vessel vessel NN en-wikipedia-org-3892 145 15 which which WDT en-wikipedia-org-3892 145 16 drains drain VBZ en-wikipedia-org-3892 145 17 the the DT en-wikipedia-org-3892 145 18 section section NN en-wikipedia-org-3892 145 19 of of IN en-wikipedia-org-3892 145 20 the the DT en-wikipedia-org-3892 145 21 left left JJ en-wikipedia-org-3892 145 22 ventricle ventricle NN en-wikipedia-org-3892 145 23 sitting sit VBG en-wikipedia-org-3892 145 24 on on IN en-wikipedia-org-3892 145 25 the the DT en-wikipedia-org-3892 145 26 diaphragm diaphragm NN en-wikipedia-org-3892 145 27 . . . en-wikipedia-org-3892 146 1 The the DT en-wikipedia-org-3892 146 2 left left JJ en-wikipedia-org-3892 146 3 vessel vessel NN en-wikipedia-org-3892 146 4 joins join VBZ en-wikipedia-org-3892 146 5 with with IN en-wikipedia-org-3892 146 6 this this DT en-wikipedia-org-3892 146 7 third third JJ en-wikipedia-org-3892 146 8 vessel vessel NN en-wikipedia-org-3892 146 9 , , , en-wikipedia-org-3892 146 10 and and CC en-wikipedia-org-3892 146 11 travels travel NNS en-wikipedia-org-3892 146 12 along along IN en-wikipedia-org-3892 146 13 the the DT en-wikipedia-org-3892 146 14 pulmonary pulmonary JJ en-wikipedia-org-3892 146 15 artery artery NN en-wikipedia-org-3892 146 16 and and CC en-wikipedia-org-3892 146 17 left leave VBD en-wikipedia-org-3892 146 18 atrium atrium NN en-wikipedia-org-3892 146 19 , , , en-wikipedia-org-3892 146 20 ending end VBG en-wikipedia-org-3892 146 21 in in IN en-wikipedia-org-3892 146 22 the the DT en-wikipedia-org-3892 146 23 inferior inferior JJ en-wikipedia-org-3892 146 24 tracheobronchial tracheobronchial JJ en-wikipedia-org-3892 146 25 node node NN en-wikipedia-org-3892 146 26 . . . en-wikipedia-org-3892 147 1 The the DT en-wikipedia-org-3892 147 2 right right JJ en-wikipedia-org-3892 147 3 vessel vessel NN en-wikipedia-org-3892 147 4 travels travel VBZ en-wikipedia-org-3892 147 5 along along IN en-wikipedia-org-3892 147 6 the the DT en-wikipedia-org-3892 147 7 right right JJ en-wikipedia-org-3892 147 8 atrium atrium NN en-wikipedia-org-3892 147 9 and and CC en-wikipedia-org-3892 147 10 the the DT en-wikipedia-org-3892 147 11 part part NN en-wikipedia-org-3892 147 12 of of IN en-wikipedia-org-3892 147 13 the the DT en-wikipedia-org-3892 147 14 right right JJ en-wikipedia-org-3892 147 15 ventricle ventricle NN en-wikipedia-org-3892 147 16 sitting sit VBG en-wikipedia-org-3892 147 17 on on IN en-wikipedia-org-3892 147 18 the the DT en-wikipedia-org-3892 147 19 diaphragm diaphragm NN en-wikipedia-org-3892 147 20 . . . en-wikipedia-org-3892 148 1 It -PRON- PRP en-wikipedia-org-3892 148 2 usually usually RB en-wikipedia-org-3892 148 3 then then RB en-wikipedia-org-3892 148 4 travels travel VBZ en-wikipedia-org-3892 148 5 in in IN en-wikipedia-org-3892 148 6 front front NN en-wikipedia-org-3892 148 7 of of IN en-wikipedia-org-3892 148 8 the the DT en-wikipedia-org-3892 148 9 ascending ascend VBG en-wikipedia-org-3892 148 10 aorta aorta NN en-wikipedia-org-3892 148 11 and and CC en-wikipedia-org-3892 148 12 then then RB en-wikipedia-org-3892 148 13 ends end VBZ en-wikipedia-org-3892 148 14 in in IN en-wikipedia-org-3892 148 15 a a DT en-wikipedia-org-3892 148 16 brachiocephalic brachiocephalic JJ en-wikipedia-org-3892 148 17 node node NN en-wikipedia-org-3892 148 18 . . . en-wikipedia-org-3892 149 1 [ [ -LRB- en-wikipedia-org-3892 149 2 32 32 CD en-wikipedia-org-3892 149 3 ] ] -RRB- en-wikipedia-org-3892 149 4 Nerve nerve NN en-wikipedia-org-3892 149 5 supply supply NN en-wikipedia-org-3892 149 6 Autonomic autonomic JJ en-wikipedia-org-3892 149 7 innervation innervation NN en-wikipedia-org-3892 149 8 of of IN en-wikipedia-org-3892 149 9 the the DT en-wikipedia-org-3892 149 10 heart heart NN en-wikipedia-org-3892 149 11 The the DT en-wikipedia-org-3892 149 12 heart heart NN en-wikipedia-org-3892 149 13 receives receive VBZ en-wikipedia-org-3892 149 14 nerve nerve NN en-wikipedia-org-3892 149 15 signals signal NNS en-wikipedia-org-3892 149 16 from from IN en-wikipedia-org-3892 149 17 the the DT en-wikipedia-org-3892 149 18 vagus vagus NNP en-wikipedia-org-3892 149 19 nerve nerve NN en-wikipedia-org-3892 149 20 and and CC en-wikipedia-org-3892 149 21 from from IN en-wikipedia-org-3892 149 22 nerves nerve NNS en-wikipedia-org-3892 149 23 arising arise VBG en-wikipedia-org-3892 149 24 from from IN en-wikipedia-org-3892 149 25 the the DT en-wikipedia-org-3892 149 26 sympathetic sympathetic JJ en-wikipedia-org-3892 149 27 trunk trunk NN en-wikipedia-org-3892 149 28 . . . en-wikipedia-org-3892 150 1 These these DT en-wikipedia-org-3892 150 2 nerves nerve NNS en-wikipedia-org-3892 150 3 act act VBP en-wikipedia-org-3892 150 4 to to TO en-wikipedia-org-3892 150 5 influence influence NN en-wikipedia-org-3892 150 6 , , , en-wikipedia-org-3892 150 7 but but CC en-wikipedia-org-3892 150 8 not not RB en-wikipedia-org-3892 150 9 control control VB en-wikipedia-org-3892 150 10 , , , en-wikipedia-org-3892 150 11 the the DT en-wikipedia-org-3892 150 12 heart heart NN en-wikipedia-org-3892 150 13 rate rate NN en-wikipedia-org-3892 150 14 . . . en-wikipedia-org-3892 151 1 Sympathetic sympathetic JJ en-wikipedia-org-3892 151 2 nerves nerve NNS en-wikipedia-org-3892 151 3 also also RB en-wikipedia-org-3892 151 4 influence influence VBP en-wikipedia-org-3892 151 5 the the DT en-wikipedia-org-3892 151 6 force force NN en-wikipedia-org-3892 151 7 of of IN en-wikipedia-org-3892 151 8 heart heart NN en-wikipedia-org-3892 151 9 contraction contraction NN en-wikipedia-org-3892 151 10 . . . en-wikipedia-org-3892 152 1 [ [ -LRB- en-wikipedia-org-3892 152 2 33 33 CD en-wikipedia-org-3892 152 3 ] ] -RRB- en-wikipedia-org-3892 152 4 Signals signal NNS en-wikipedia-org-3892 152 5 that that WDT en-wikipedia-org-3892 152 6 travel travel VBP en-wikipedia-org-3892 152 7 along along IN en-wikipedia-org-3892 152 8 these these DT en-wikipedia-org-3892 152 9 nerves nerve NNS en-wikipedia-org-3892 152 10 arise arise VBP en-wikipedia-org-3892 152 11 from from IN en-wikipedia-org-3892 152 12 two two CD en-wikipedia-org-3892 152 13 paired pair VBN en-wikipedia-org-3892 152 14 cardiovascular cardiovascular JJ en-wikipedia-org-3892 152 15 centres centre NNS en-wikipedia-org-3892 152 16 in in IN en-wikipedia-org-3892 152 17 the the DT en-wikipedia-org-3892 152 18 medulla medulla NN en-wikipedia-org-3892 152 19 oblongata oblongata NN en-wikipedia-org-3892 152 20 . . . en-wikipedia-org-3892 153 1 The the DT en-wikipedia-org-3892 153 2 vagus vagus NN en-wikipedia-org-3892 153 3 nerve nerve NN en-wikipedia-org-3892 153 4 of of IN en-wikipedia-org-3892 153 5 the the DT en-wikipedia-org-3892 153 6 parasympathetic parasympathetic JJ en-wikipedia-org-3892 153 7 nervous nervous JJ en-wikipedia-org-3892 153 8 system system NN en-wikipedia-org-3892 153 9 acts act VBZ en-wikipedia-org-3892 153 10 to to TO en-wikipedia-org-3892 153 11 decrease decrease VB en-wikipedia-org-3892 153 12 the the DT en-wikipedia-org-3892 153 13 heart heart NN en-wikipedia-org-3892 153 14 rate rate NN en-wikipedia-org-3892 153 15 , , , en-wikipedia-org-3892 153 16 and and CC en-wikipedia-org-3892 153 17 nerves nerve NNS en-wikipedia-org-3892 153 18 from from IN en-wikipedia-org-3892 153 19 the the DT en-wikipedia-org-3892 153 20 sympathetic sympathetic JJ en-wikipedia-org-3892 153 21 trunk trunk NNP en-wikipedia-org-3892 153 22 act act NNP en-wikipedia-org-3892 153 23 to to TO en-wikipedia-org-3892 153 24 increase increase VB en-wikipedia-org-3892 153 25 the the DT en-wikipedia-org-3892 153 26 heart heart NN en-wikipedia-org-3892 153 27 rate rate NN en-wikipedia-org-3892 153 28 . . . en-wikipedia-org-3892 154 1 [ [ -LRB- en-wikipedia-org-3892 154 2 7 7 LS en-wikipedia-org-3892 154 3 ] ] -RRB- en-wikipedia-org-3892 154 4 These these DT en-wikipedia-org-3892 154 5 nerves nerve NNS en-wikipedia-org-3892 154 6 form form VBP en-wikipedia-org-3892 154 7 a a DT en-wikipedia-org-3892 154 8 network network NN en-wikipedia-org-3892 154 9 of of IN en-wikipedia-org-3892 154 10 nerves nerve NNS en-wikipedia-org-3892 154 11 that that WDT en-wikipedia-org-3892 154 12 lies lie VBZ en-wikipedia-org-3892 154 13 over over IN en-wikipedia-org-3892 154 14 the the DT en-wikipedia-org-3892 154 15 heart heart NN en-wikipedia-org-3892 154 16 called call VBN en-wikipedia-org-3892 154 17 the the DT en-wikipedia-org-3892 154 18 cardiac cardiac JJ en-wikipedia-org-3892 154 19 plexus plexus NN en-wikipedia-org-3892 154 20 . . . en-wikipedia-org-3892 155 1 [ [ -LRB- en-wikipedia-org-3892 155 2 7][32 7][32 `` en-wikipedia-org-3892 155 3 ] ] -RRB- en-wikipedia-org-3892 155 4 The the DT en-wikipedia-org-3892 155 5 vagus vagus NN en-wikipedia-org-3892 155 6 nerve nerve NN en-wikipedia-org-3892 155 7 is be VBZ en-wikipedia-org-3892 155 8 a a DT en-wikipedia-org-3892 155 9 long long JJ en-wikipedia-org-3892 155 10 , , , en-wikipedia-org-3892 155 11 wandering wander VBG en-wikipedia-org-3892 155 12 nerve nerve NN en-wikipedia-org-3892 155 13 that that WDT en-wikipedia-org-3892 155 14 emerges emerge VBZ en-wikipedia-org-3892 155 15 from from IN en-wikipedia-org-3892 155 16 the the DT en-wikipedia-org-3892 155 17 brainstem brainstem NN en-wikipedia-org-3892 155 18 and and CC en-wikipedia-org-3892 155 19 provides provide VBZ en-wikipedia-org-3892 155 20 parasympathetic parasympathetic JJ en-wikipedia-org-3892 155 21 stimulation stimulation NN en-wikipedia-org-3892 155 22 to to IN en-wikipedia-org-3892 155 23 a a DT en-wikipedia-org-3892 155 24 large large JJ en-wikipedia-org-3892 155 25 number number NN en-wikipedia-org-3892 155 26 of of IN en-wikipedia-org-3892 155 27 organs organ NNS en-wikipedia-org-3892 155 28 in in IN en-wikipedia-org-3892 155 29 the the DT en-wikipedia-org-3892 155 30 thorax thorax NNP en-wikipedia-org-3892 155 31 and and CC en-wikipedia-org-3892 155 32 abdomen abdomen NNP en-wikipedia-org-3892 155 33 , , , en-wikipedia-org-3892 155 34 including include VBG en-wikipedia-org-3892 155 35 the the DT en-wikipedia-org-3892 155 36 heart heart NN en-wikipedia-org-3892 155 37 . . . en-wikipedia-org-3892 156 1 [ [ -LRB- en-wikipedia-org-3892 156 2 34 34 CD en-wikipedia-org-3892 156 3 ] ] -RRB- en-wikipedia-org-3892 156 4 The the DT en-wikipedia-org-3892 156 5 nerves nerve NNS en-wikipedia-org-3892 156 6 from from IN en-wikipedia-org-3892 156 7 the the DT en-wikipedia-org-3892 156 8 sympathetic sympathetic JJ en-wikipedia-org-3892 156 9 trunk trunk NN en-wikipedia-org-3892 156 10 emerge emerge NN en-wikipedia-org-3892 156 11 through through IN en-wikipedia-org-3892 156 12 the the DT en-wikipedia-org-3892 156 13 T1-T4 T1-T4 NNP en-wikipedia-org-3892 156 14 thoracic thoracic NN en-wikipedia-org-3892 156 15 ganglia ganglia NN en-wikipedia-org-3892 156 16 and and CC en-wikipedia-org-3892 156 17 travel travel VB en-wikipedia-org-3892 156 18 to to IN en-wikipedia-org-3892 156 19 both both CC en-wikipedia-org-3892 156 20 the the DT en-wikipedia-org-3892 156 21 sinoatrial sinoatrial JJ en-wikipedia-org-3892 156 22 and and CC en-wikipedia-org-3892 156 23 atrioventricular atrioventricular JJ en-wikipedia-org-3892 156 24 nodes node NNS en-wikipedia-org-3892 156 25 , , , en-wikipedia-org-3892 156 26 as as RB en-wikipedia-org-3892 156 27 well well RB en-wikipedia-org-3892 156 28 as as IN en-wikipedia-org-3892 156 29 to to IN en-wikipedia-org-3892 156 30 the the DT en-wikipedia-org-3892 156 31 atria atria NNP en-wikipedia-org-3892 156 32 and and CC en-wikipedia-org-3892 156 33 ventricles ventricle NNS en-wikipedia-org-3892 156 34 . . . en-wikipedia-org-3892 157 1 The the DT en-wikipedia-org-3892 157 2 ventricles ventricle NNS en-wikipedia-org-3892 157 3 are be VBP en-wikipedia-org-3892 157 4 more more RBR en-wikipedia-org-3892 157 5 richly richly RB en-wikipedia-org-3892 157 6 innervated innervate VBN en-wikipedia-org-3892 157 7 by by IN en-wikipedia-org-3892 157 8 sympathetic sympathetic JJ en-wikipedia-org-3892 157 9 fibers fiber NNS en-wikipedia-org-3892 157 10 than than IN en-wikipedia-org-3892 157 11 parasympathetic parasympathetic JJ en-wikipedia-org-3892 157 12 fibers fiber NNS en-wikipedia-org-3892 157 13 . . . en-wikipedia-org-3892 158 1 Sympathetic sympathetic JJ en-wikipedia-org-3892 158 2 stimulation stimulation NN en-wikipedia-org-3892 158 3 causes cause VBZ en-wikipedia-org-3892 158 4 the the DT en-wikipedia-org-3892 158 5 release release NN en-wikipedia-org-3892 158 6 of of IN en-wikipedia-org-3892 158 7 the the DT en-wikipedia-org-3892 158 8 neurotransmitter neurotransmitter NN en-wikipedia-org-3892 158 9 norepinephrine norepinephrine NN en-wikipedia-org-3892 158 10 ( ( -LRB- en-wikipedia-org-3892 158 11 also also RB en-wikipedia-org-3892 158 12 known know VBN en-wikipedia-org-3892 158 13 as as IN en-wikipedia-org-3892 158 14 noradrenaline noradrenaline JJ en-wikipedia-org-3892 158 15 ) ) -RRB- en-wikipedia-org-3892 158 16 at at IN en-wikipedia-org-3892 158 17 the the DT en-wikipedia-org-3892 158 18 neuromuscular neuromuscular JJ en-wikipedia-org-3892 158 19 junction junction NN en-wikipedia-org-3892 158 20 of of IN en-wikipedia-org-3892 158 21 the the DT en-wikipedia-org-3892 158 22 cardiac cardiac JJ en-wikipedia-org-3892 158 23 nerves nerve NNS en-wikipedia-org-3892 158 24 . . . en-wikipedia-org-3892 159 1 This this DT en-wikipedia-org-3892 159 2 shortens shorten VBZ en-wikipedia-org-3892 159 3 the the DT en-wikipedia-org-3892 159 4 repolarization repolarization NN en-wikipedia-org-3892 159 5 period period NN en-wikipedia-org-3892 159 6 , , , en-wikipedia-org-3892 159 7 thus thus RB en-wikipedia-org-3892 159 8 speeding speed VBG en-wikipedia-org-3892 159 9 the the DT en-wikipedia-org-3892 159 10 rate rate NN en-wikipedia-org-3892 159 11 of of IN en-wikipedia-org-3892 159 12 depolarization depolarization NN en-wikipedia-org-3892 159 13 and and CC en-wikipedia-org-3892 159 14 contraction contraction NN en-wikipedia-org-3892 159 15 , , , en-wikipedia-org-3892 159 16 which which WDT en-wikipedia-org-3892 159 17 results result VBZ en-wikipedia-org-3892 159 18 in in IN en-wikipedia-org-3892 159 19 an an DT en-wikipedia-org-3892 159 20 increased increase VBN en-wikipedia-org-3892 159 21 heart heart NN en-wikipedia-org-3892 159 22 rate rate NN en-wikipedia-org-3892 159 23 . . . en-wikipedia-org-3892 160 1 It -PRON- PRP en-wikipedia-org-3892 160 2 opens open VBZ en-wikipedia-org-3892 160 3 chemical chemical NN en-wikipedia-org-3892 160 4 or or CC en-wikipedia-org-3892 160 5 ligand ligand NN en-wikipedia-org-3892 160 6 - - HYPH en-wikipedia-org-3892 160 7 gated gate VBN en-wikipedia-org-3892 160 8 sodium sodium NN en-wikipedia-org-3892 160 9 and and CC en-wikipedia-org-3892 160 10 calcium calcium NN en-wikipedia-org-3892 160 11 ion ion NN en-wikipedia-org-3892 160 12 channels channel NNS en-wikipedia-org-3892 160 13 , , , en-wikipedia-org-3892 160 14 allowing allow VBG en-wikipedia-org-3892 160 15 an an DT en-wikipedia-org-3892 160 16 influx influx NN en-wikipedia-org-3892 160 17 of of IN en-wikipedia-org-3892 160 18 positively positively RB en-wikipedia-org-3892 160 19 charged charge VBN en-wikipedia-org-3892 160 20 ions ion NNS en-wikipedia-org-3892 160 21 . . . en-wikipedia-org-3892 161 1 [ [ -LRB- en-wikipedia-org-3892 161 2 7 7 LS en-wikipedia-org-3892 161 3 ] ] -RRB- en-wikipedia-org-3892 161 4 Norepinephrine Norepinephrine NNP en-wikipedia-org-3892 161 5 binds bind NNS en-wikipedia-org-3892 161 6 to to IN en-wikipedia-org-3892 161 7 the the DT en-wikipedia-org-3892 161 8 beta–1 beta–1 JJ en-wikipedia-org-3892 161 9 receptor receptor NN en-wikipedia-org-3892 161 10 . . . en-wikipedia-org-3892 162 1 [ [ -LRB- en-wikipedia-org-3892 162 2 7 7 LS en-wikipedia-org-3892 162 3 ] ] -RRB- en-wikipedia-org-3892 162 4 Development Development NNP en-wikipedia-org-3892 162 5 Main Main NNP en-wikipedia-org-3892 162 6 articles article NNS en-wikipedia-org-3892 162 7 : : : en-wikipedia-org-3892 162 8 Heart heart NN en-wikipedia-org-3892 162 9 development development NN en-wikipedia-org-3892 162 10 and and CC en-wikipedia-org-3892 162 11 Human human JJ en-wikipedia-org-3892 162 12 embryogenesis embryogenesis NN en-wikipedia-org-3892 162 13 Development Development NNP en-wikipedia-org-3892 162 14 of of IN en-wikipedia-org-3892 162 15 the the DT en-wikipedia-org-3892 162 16 human human JJ en-wikipedia-org-3892 162 17 heart heart NN en-wikipedia-org-3892 162 18 during during IN en-wikipedia-org-3892 162 19 the the DT en-wikipedia-org-3892 162 20 first first JJ en-wikipedia-org-3892 162 21 eight eight CD en-wikipedia-org-3892 162 22 weeks week NNS en-wikipedia-org-3892 162 23 ( ( -LRB- en-wikipedia-org-3892 162 24 top top NN en-wikipedia-org-3892 162 25 ) ) -RRB- en-wikipedia-org-3892 162 26 and and CC en-wikipedia-org-3892 162 27 the the DT en-wikipedia-org-3892 162 28 formation formation NN en-wikipedia-org-3892 162 29 of of IN en-wikipedia-org-3892 162 30 the the DT en-wikipedia-org-3892 162 31 heart heart NN en-wikipedia-org-3892 162 32 chambers chamber NNS en-wikipedia-org-3892 162 33 ( ( -LRB- en-wikipedia-org-3892 162 34 bottom bottom NN en-wikipedia-org-3892 162 35 ) ) -RRB- en-wikipedia-org-3892 162 36 . . . en-wikipedia-org-3892 163 1 In in IN en-wikipedia-org-3892 163 2 this this DT en-wikipedia-org-3892 163 3 figure figure NN en-wikipedia-org-3892 163 4 , , , en-wikipedia-org-3892 163 5 the the DT en-wikipedia-org-3892 163 6 blue blue JJ en-wikipedia-org-3892 163 7 and and CC en-wikipedia-org-3892 163 8 red red JJ en-wikipedia-org-3892 163 9 colors color NNS en-wikipedia-org-3892 163 10 represent represent VBP en-wikipedia-org-3892 163 11 blood blood NN en-wikipedia-org-3892 163 12 inflow inflow NN en-wikipedia-org-3892 163 13 and and CC en-wikipedia-org-3892 163 14 outflow outflow NN en-wikipedia-org-3892 163 15 ( ( -LRB- en-wikipedia-org-3892 163 16 not not RB en-wikipedia-org-3892 163 17 venous venous JJ en-wikipedia-org-3892 163 18 and and CC en-wikipedia-org-3892 163 19 arterial arterial JJ en-wikipedia-org-3892 163 20 blood blood NN en-wikipedia-org-3892 163 21 ) ) -RRB- en-wikipedia-org-3892 163 22 . . . en-wikipedia-org-3892 164 1 Initially initially RB en-wikipedia-org-3892 164 2 , , , en-wikipedia-org-3892 164 3 all all DT en-wikipedia-org-3892 164 4 venous venous JJ en-wikipedia-org-3892 164 5 blood blood NN en-wikipedia-org-3892 164 6 flows flow VBZ en-wikipedia-org-3892 164 7 from from IN en-wikipedia-org-3892 164 8 the the DT en-wikipedia-org-3892 164 9 tail tail NN en-wikipedia-org-3892 164 10 / / SYM en-wikipedia-org-3892 164 11 atria atria NNP en-wikipedia-org-3892 164 12 to to IN en-wikipedia-org-3892 164 13 the the DT en-wikipedia-org-3892 164 14 ventricles ventricle NNS en-wikipedia-org-3892 164 15 / / SYM en-wikipedia-org-3892 164 16 head head NN en-wikipedia-org-3892 164 17 , , , en-wikipedia-org-3892 164 18 a a DT en-wikipedia-org-3892 164 19 very very RB en-wikipedia-org-3892 164 20 different different JJ en-wikipedia-org-3892 164 21 pattern pattern NN en-wikipedia-org-3892 164 22 from from IN en-wikipedia-org-3892 164 23 that that DT en-wikipedia-org-3892 164 24 of of IN en-wikipedia-org-3892 164 25 an an DT en-wikipedia-org-3892 164 26 adult adult NN en-wikipedia-org-3892 164 27 . . . en-wikipedia-org-3892 165 1 [ [ -LRB- en-wikipedia-org-3892 165 2 7 7 LS en-wikipedia-org-3892 165 3 ] ] -RRB- en-wikipedia-org-3892 165 4 The the DT en-wikipedia-org-3892 165 5 heart heart NN en-wikipedia-org-3892 165 6 is be VBZ en-wikipedia-org-3892 165 7 the the DT en-wikipedia-org-3892 165 8 first first JJ en-wikipedia-org-3892 165 9 functional functional JJ en-wikipedia-org-3892 165 10 organ organ NN en-wikipedia-org-3892 165 11 to to TO en-wikipedia-org-3892 165 12 develop develop VB en-wikipedia-org-3892 165 13 and and CC en-wikipedia-org-3892 165 14 starts start VBZ en-wikipedia-org-3892 165 15 to to TO en-wikipedia-org-3892 165 16 beat beat VB en-wikipedia-org-3892 165 17 and and CC en-wikipedia-org-3892 165 18 pump pump VB en-wikipedia-org-3892 165 19 blood blood NN en-wikipedia-org-3892 165 20 at at IN en-wikipedia-org-3892 165 21 about about RB en-wikipedia-org-3892 165 22 three three CD en-wikipedia-org-3892 165 23 weeks week NNS en-wikipedia-org-3892 165 24 into into IN en-wikipedia-org-3892 165 25 embryogenesis embryogenesis NN en-wikipedia-org-3892 165 26 . . . en-wikipedia-org-3892 166 1 This this DT en-wikipedia-org-3892 166 2 early early JJ en-wikipedia-org-3892 166 3 start start NN en-wikipedia-org-3892 166 4 is be VBZ en-wikipedia-org-3892 166 5 crucial crucial JJ en-wikipedia-org-3892 166 6 for for IN en-wikipedia-org-3892 166 7 subsequent subsequent JJ en-wikipedia-org-3892 166 8 embryonic embryonic JJ en-wikipedia-org-3892 166 9 and and CC en-wikipedia-org-3892 166 10 prenatal prenatal JJ en-wikipedia-org-3892 166 11 development development NN en-wikipedia-org-3892 166 12 . . . en-wikipedia-org-3892 167 1 The the DT en-wikipedia-org-3892 167 2 heart heart NN en-wikipedia-org-3892 167 3 derives derive VBZ en-wikipedia-org-3892 167 4 from from IN en-wikipedia-org-3892 167 5 splanchnopleuric splanchnopleuric JJ en-wikipedia-org-3892 167 6 mesenchyme mesenchyme NNS en-wikipedia-org-3892 167 7 in in IN en-wikipedia-org-3892 167 8 the the DT en-wikipedia-org-3892 167 9 neural neural JJ en-wikipedia-org-3892 167 10 plate plate NN en-wikipedia-org-3892 167 11 which which WDT en-wikipedia-org-3892 167 12 forms form VBZ en-wikipedia-org-3892 167 13 the the DT en-wikipedia-org-3892 167 14 cardiogenic cardiogenic JJ en-wikipedia-org-3892 167 15 region region NN en-wikipedia-org-3892 167 16 . . . en-wikipedia-org-3892 168 1 Two two CD en-wikipedia-org-3892 168 2 endocardial endocardial JJ en-wikipedia-org-3892 168 3 tubes tube NNS en-wikipedia-org-3892 168 4 form form VBP en-wikipedia-org-3892 168 5 here here RB en-wikipedia-org-3892 168 6 that that WDT en-wikipedia-org-3892 168 7 fuse fuse NN en-wikipedia-org-3892 168 8 to to TO en-wikipedia-org-3892 168 9 form form VB en-wikipedia-org-3892 168 10 a a DT en-wikipedia-org-3892 168 11 primitive primitive JJ en-wikipedia-org-3892 168 12 heart heart NN en-wikipedia-org-3892 168 13 tube tube NN en-wikipedia-org-3892 168 14 known know VBN en-wikipedia-org-3892 168 15 as as IN en-wikipedia-org-3892 168 16 the the DT en-wikipedia-org-3892 168 17 tubular tubular JJ en-wikipedia-org-3892 168 18 heart heart NN en-wikipedia-org-3892 168 19 . . . en-wikipedia-org-3892 169 1 [ [ -LRB- en-wikipedia-org-3892 169 2 35 35 CD en-wikipedia-org-3892 169 3 ] ] -RRB- en-wikipedia-org-3892 169 4 Between between IN en-wikipedia-org-3892 169 5 the the DT en-wikipedia-org-3892 169 6 third third JJ en-wikipedia-org-3892 169 7 and and CC en-wikipedia-org-3892 169 8 fourth fourth JJ en-wikipedia-org-3892 169 9 week week NN en-wikipedia-org-3892 169 10 , , , en-wikipedia-org-3892 169 11 the the DT en-wikipedia-org-3892 169 12 heart heart NN en-wikipedia-org-3892 169 13 tube tube NN en-wikipedia-org-3892 169 14 lengthens lengthen VBZ en-wikipedia-org-3892 169 15 , , , en-wikipedia-org-3892 169 16 and and CC en-wikipedia-org-3892 169 17 begins begin VBZ en-wikipedia-org-3892 169 18 to to TO en-wikipedia-org-3892 169 19 fold fold VB en-wikipedia-org-3892 169 20 to to TO en-wikipedia-org-3892 169 21 form form VB en-wikipedia-org-3892 169 22 an an DT en-wikipedia-org-3892 169 23 S S NNP en-wikipedia-org-3892 169 24 - - HYPH en-wikipedia-org-3892 169 25 shape shape NN en-wikipedia-org-3892 169 26 within within IN en-wikipedia-org-3892 169 27 the the DT en-wikipedia-org-3892 169 28 pericardium pericardium NN en-wikipedia-org-3892 169 29 . . . en-wikipedia-org-3892 170 1 This this DT en-wikipedia-org-3892 170 2 places place VBZ en-wikipedia-org-3892 170 3 the the DT en-wikipedia-org-3892 170 4 chambers chamber NNS en-wikipedia-org-3892 170 5 and and CC en-wikipedia-org-3892 170 6 major major JJ en-wikipedia-org-3892 170 7 vessels vessel NNS en-wikipedia-org-3892 170 8 into into IN en-wikipedia-org-3892 170 9 the the DT en-wikipedia-org-3892 170 10 correct correct JJ en-wikipedia-org-3892 170 11 alignment alignment NN en-wikipedia-org-3892 170 12 for for IN en-wikipedia-org-3892 170 13 the the DT en-wikipedia-org-3892 170 14 developed develop VBN en-wikipedia-org-3892 170 15 heart heart NN en-wikipedia-org-3892 170 16 . . . en-wikipedia-org-3892 171 1 Further further JJ en-wikipedia-org-3892 171 2 development development NN en-wikipedia-org-3892 171 3 will will MD en-wikipedia-org-3892 171 4 include include VB en-wikipedia-org-3892 171 5 the the DT en-wikipedia-org-3892 171 6 septa septa NN en-wikipedia-org-3892 171 7 and and CC en-wikipedia-org-3892 171 8 valves valve VBZ en-wikipedia-org-3892 171 9 formation formation NN en-wikipedia-org-3892 171 10 and and CC en-wikipedia-org-3892 171 11 remodelling remodelling NN en-wikipedia-org-3892 171 12 of of IN en-wikipedia-org-3892 171 13 the the DT en-wikipedia-org-3892 171 14 heart heart NN en-wikipedia-org-3892 171 15 chambers chamber NNS en-wikipedia-org-3892 171 16 . . . en-wikipedia-org-3892 172 1 By by IN en-wikipedia-org-3892 172 2 the the DT en-wikipedia-org-3892 172 3 end end NN en-wikipedia-org-3892 172 4 of of IN en-wikipedia-org-3892 172 5 the the DT en-wikipedia-org-3892 172 6 fifth fifth JJ en-wikipedia-org-3892 172 7 week week NN en-wikipedia-org-3892 172 8 the the DT en-wikipedia-org-3892 172 9 septa septa NN en-wikipedia-org-3892 172 10 are be VBP en-wikipedia-org-3892 172 11 complete complete JJ en-wikipedia-org-3892 172 12 and and CC en-wikipedia-org-3892 172 13 the the DT en-wikipedia-org-3892 172 14 heart heart NN en-wikipedia-org-3892 172 15 valves valve NNS en-wikipedia-org-3892 172 16 are be VBP en-wikipedia-org-3892 172 17 completed complete VBN en-wikipedia-org-3892 172 18 by by IN en-wikipedia-org-3892 172 19 the the DT en-wikipedia-org-3892 172 20 ninth ninth JJ en-wikipedia-org-3892 172 21 week week NN en-wikipedia-org-3892 172 22 . . . en-wikipedia-org-3892 173 1 [ [ -LRB- en-wikipedia-org-3892 173 2 7 7 CD en-wikipedia-org-3892 173 3 ] ] -RRB- en-wikipedia-org-3892 173 4 Before before IN en-wikipedia-org-3892 173 5 the the DT en-wikipedia-org-3892 173 6 fifth fifth JJ en-wikipedia-org-3892 173 7 week week NN en-wikipedia-org-3892 173 8 , , , en-wikipedia-org-3892 173 9 there there EX en-wikipedia-org-3892 173 10 is be VBZ en-wikipedia-org-3892 173 11 an an DT en-wikipedia-org-3892 173 12 opening opening NN en-wikipedia-org-3892 173 13 in in IN en-wikipedia-org-3892 173 14 the the DT en-wikipedia-org-3892 173 15 fetal fetal JJ en-wikipedia-org-3892 173 16 heart heart NN en-wikipedia-org-3892 173 17 known know VBN en-wikipedia-org-3892 173 18 as as IN en-wikipedia-org-3892 173 19 the the DT en-wikipedia-org-3892 173 20 foramen foraman NNS en-wikipedia-org-3892 173 21 ovale ovale NN en-wikipedia-org-3892 173 22 . . . en-wikipedia-org-3892 174 1 The the DT en-wikipedia-org-3892 174 2 foramen foraman NNS en-wikipedia-org-3892 174 3 ovale ovale NN en-wikipedia-org-3892 174 4 allowed allow VBD en-wikipedia-org-3892 174 5 blood blood NN en-wikipedia-org-3892 174 6 in in IN en-wikipedia-org-3892 174 7 the the DT en-wikipedia-org-3892 174 8 fetal fetal JJ en-wikipedia-org-3892 174 9 heart heart NN en-wikipedia-org-3892 174 10 to to TO en-wikipedia-org-3892 174 11 pass pass VB en-wikipedia-org-3892 174 12 directly directly RB en-wikipedia-org-3892 174 13 from from IN en-wikipedia-org-3892 174 14 the the DT en-wikipedia-org-3892 174 15 right right JJ en-wikipedia-org-3892 174 16 atrium atrium NN en-wikipedia-org-3892 174 17 to to IN en-wikipedia-org-3892 174 18 the the DT en-wikipedia-org-3892 174 19 left left JJ en-wikipedia-org-3892 174 20 atrium atrium NN en-wikipedia-org-3892 174 21 , , , en-wikipedia-org-3892 174 22 allowing allow VBG en-wikipedia-org-3892 174 23 some some DT en-wikipedia-org-3892 174 24 blood blood NN en-wikipedia-org-3892 174 25 to to TO en-wikipedia-org-3892 174 26 bypass bypass VB en-wikipedia-org-3892 174 27 the the DT en-wikipedia-org-3892 174 28 lungs lung NNS en-wikipedia-org-3892 174 29 . . . en-wikipedia-org-3892 175 1 Within within IN en-wikipedia-org-3892 175 2 seconds second NNS en-wikipedia-org-3892 175 3 after after IN en-wikipedia-org-3892 175 4 birth birth NN en-wikipedia-org-3892 175 5 , , , en-wikipedia-org-3892 175 6 a a DT en-wikipedia-org-3892 175 7 flap flap NN en-wikipedia-org-3892 175 8 of of IN en-wikipedia-org-3892 175 9 tissue tissue NN en-wikipedia-org-3892 175 10 known know VBN en-wikipedia-org-3892 175 11 as as IN en-wikipedia-org-3892 175 12 the the DT en-wikipedia-org-3892 175 13 septum septum NN en-wikipedia-org-3892 175 14 primum primum VBP en-wikipedia-org-3892 175 15 that that WDT en-wikipedia-org-3892 175 16 previously previously RB en-wikipedia-org-3892 175 17 acted act VBD en-wikipedia-org-3892 175 18 as as IN en-wikipedia-org-3892 175 19 a a DT en-wikipedia-org-3892 175 20 valve valve NN en-wikipedia-org-3892 175 21 closes close VBZ en-wikipedia-org-3892 175 22 the the DT en-wikipedia-org-3892 175 23 foramen foramen NNP en-wikipedia-org-3892 175 24 ovale ovale NN en-wikipedia-org-3892 175 25 and and CC en-wikipedia-org-3892 175 26 establishes establish VBZ en-wikipedia-org-3892 175 27 the the DT en-wikipedia-org-3892 175 28 typical typical JJ en-wikipedia-org-3892 175 29 cardiac cardiac JJ en-wikipedia-org-3892 175 30 circulation circulation NN en-wikipedia-org-3892 175 31 pattern pattern NN en-wikipedia-org-3892 175 32 . . . en-wikipedia-org-3892 176 1 A a DT en-wikipedia-org-3892 176 2 depression depression NN en-wikipedia-org-3892 176 3 in in IN en-wikipedia-org-3892 176 4 the the DT en-wikipedia-org-3892 176 5 surface surface NN en-wikipedia-org-3892 176 6 of of IN en-wikipedia-org-3892 176 7 the the DT en-wikipedia-org-3892 176 8 right right JJ en-wikipedia-org-3892 176 9 atrium atrium NN en-wikipedia-org-3892 176 10 remains remain VBZ en-wikipedia-org-3892 176 11 where where WRB en-wikipedia-org-3892 176 12 the the DT en-wikipedia-org-3892 176 13 foramen foraman NNS en-wikipedia-org-3892 176 14 ovale ovale NN en-wikipedia-org-3892 176 15 was be VBD en-wikipedia-org-3892 176 16 , , , en-wikipedia-org-3892 176 17 called call VBN en-wikipedia-org-3892 176 18 the the DT en-wikipedia-org-3892 176 19 fossa fossa NNP en-wikipedia-org-3892 176 20 ovalis ovalis NNP en-wikipedia-org-3892 176 21 . . . en-wikipedia-org-3892 177 1 [ [ -LRB- en-wikipedia-org-3892 177 2 7 7 LS en-wikipedia-org-3892 177 3 ] ] -RRB- en-wikipedia-org-3892 177 4 The the DT en-wikipedia-org-3892 177 5 embryonic embryonic JJ en-wikipedia-org-3892 177 6 heart heart NN en-wikipedia-org-3892 177 7 begins begin VBZ en-wikipedia-org-3892 177 8 beating beat VBG en-wikipedia-org-3892 177 9 at at IN en-wikipedia-org-3892 177 10 around around IN en-wikipedia-org-3892 177 11 22 22 CD en-wikipedia-org-3892 177 12 days day NNS en-wikipedia-org-3892 177 13 after after IN en-wikipedia-org-3892 177 14 conception conception NN en-wikipedia-org-3892 177 15 ( ( -LRB- en-wikipedia-org-3892 177 16 5 5 CD en-wikipedia-org-3892 177 17 weeks week NNS en-wikipedia-org-3892 177 18 after after IN en-wikipedia-org-3892 177 19 the the DT en-wikipedia-org-3892 177 20 last last JJ en-wikipedia-org-3892 177 21 normal normal JJ en-wikipedia-org-3892 177 22 menstrual menstrual JJ en-wikipedia-org-3892 177 23 period period NN en-wikipedia-org-3892 177 24 , , , en-wikipedia-org-3892 177 25 LMP LMP NNP en-wikipedia-org-3892 177 26 ) ) -RRB- en-wikipedia-org-3892 177 27 . . . en-wikipedia-org-3892 178 1 It -PRON- PRP en-wikipedia-org-3892 178 2 starts start VBZ en-wikipedia-org-3892 178 3 to to TO en-wikipedia-org-3892 178 4 beat beat VB en-wikipedia-org-3892 178 5 at at IN en-wikipedia-org-3892 178 6 a a DT en-wikipedia-org-3892 178 7 rate rate NN en-wikipedia-org-3892 178 8 near near IN en-wikipedia-org-3892 178 9 to to IN en-wikipedia-org-3892 178 10 the the DT en-wikipedia-org-3892 178 11 mother mother NN en-wikipedia-org-3892 178 12 's 's POS en-wikipedia-org-3892 178 13 which which WDT en-wikipedia-org-3892 178 14 is be VBZ en-wikipedia-org-3892 178 15 about about RB en-wikipedia-org-3892 178 16 75–80 75–80 CD en-wikipedia-org-3892 178 17 beats beat NNS en-wikipedia-org-3892 178 18 per per IN en-wikipedia-org-3892 178 19 minute minute NN en-wikipedia-org-3892 178 20 ( ( -LRB- en-wikipedia-org-3892 178 21 bpm bpm NNP en-wikipedia-org-3892 178 22 ) ) -RRB- en-wikipedia-org-3892 178 23 . . . en-wikipedia-org-3892 179 1 The the DT en-wikipedia-org-3892 179 2 embryonic embryonic JJ en-wikipedia-org-3892 179 3 heart heart NN en-wikipedia-org-3892 179 4 rate rate NN en-wikipedia-org-3892 179 5 then then RB en-wikipedia-org-3892 179 6 accelerates accelerate VBZ en-wikipedia-org-3892 179 7 and and CC en-wikipedia-org-3892 179 8 reaches reach VBZ en-wikipedia-org-3892 179 9 a a DT en-wikipedia-org-3892 179 10 peak peak NN en-wikipedia-org-3892 179 11 rate rate NN en-wikipedia-org-3892 179 12 of of IN en-wikipedia-org-3892 179 13 165–185 165–185 CD en-wikipedia-org-3892 179 14 bpm bpm NNS en-wikipedia-org-3892 179 15 early early RB en-wikipedia-org-3892 179 16 in in IN en-wikipedia-org-3892 179 17 the the DT en-wikipedia-org-3892 179 18 early early JJ en-wikipedia-org-3892 179 19 7th 7th JJ en-wikipedia-org-3892 179 20 week week NN en-wikipedia-org-3892 179 21 ( ( -LRB- en-wikipedia-org-3892 179 22 early early JJ en-wikipedia-org-3892 179 23 9th 9th JJ en-wikipedia-org-3892 179 24 week week NN en-wikipedia-org-3892 179 25 after after IN en-wikipedia-org-3892 179 26 the the DT en-wikipedia-org-3892 179 27 LMP LMP NNP en-wikipedia-org-3892 179 28 ) ) -RRB- en-wikipedia-org-3892 179 29 . . . en-wikipedia-org-3892 180 1 [ [ -LRB- en-wikipedia-org-3892 180 2 36][37 36][37 CD en-wikipedia-org-3892 180 3 ] ] -RRB- en-wikipedia-org-3892 180 4 After after IN en-wikipedia-org-3892 180 5 9 9 CD en-wikipedia-org-3892 180 6 weeks week NNS en-wikipedia-org-3892 180 7 ( ( -LRB- en-wikipedia-org-3892 180 8 start start VB en-wikipedia-org-3892 180 9 of of IN en-wikipedia-org-3892 180 10 the the DT en-wikipedia-org-3892 180 11 fetal fetal JJ en-wikipedia-org-3892 180 12 stage stage NN en-wikipedia-org-3892 180 13 ) ) -RRB- en-wikipedia-org-3892 180 14 it -PRON- PRP en-wikipedia-org-3892 180 15 starts start VBZ en-wikipedia-org-3892 180 16 to to TO en-wikipedia-org-3892 180 17 decelerate decelerate VB en-wikipedia-org-3892 180 18 , , , en-wikipedia-org-3892 180 19 slowing slow VBG en-wikipedia-org-3892 180 20 to to IN en-wikipedia-org-3892 180 21 around around IN en-wikipedia-org-3892 180 22 145 145 CD en-wikipedia-org-3892 180 23 ( ( -LRB- en-wikipedia-org-3892 180 24 ±25 ±25 FW en-wikipedia-org-3892 180 25 ) ) -RRB- en-wikipedia-org-3892 180 26 bpm bpm NNP en-wikipedia-org-3892 180 27 at at IN en-wikipedia-org-3892 180 28 birth birth NN en-wikipedia-org-3892 180 29 . . . en-wikipedia-org-3892 181 1 There there EX en-wikipedia-org-3892 181 2 is be VBZ en-wikipedia-org-3892 181 3 no no DT en-wikipedia-org-3892 181 4 difference difference NN en-wikipedia-org-3892 181 5 in in IN en-wikipedia-org-3892 181 6 female female JJ en-wikipedia-org-3892 181 7 and and CC en-wikipedia-org-3892 181 8 male male JJ en-wikipedia-org-3892 181 9 heart heart NN en-wikipedia-org-3892 181 10 rates rate NNS en-wikipedia-org-3892 181 11 before before IN en-wikipedia-org-3892 181 12 birth birth NN en-wikipedia-org-3892 181 13 . . . en-wikipedia-org-3892 182 1 [ [ -LRB- en-wikipedia-org-3892 182 2 38 38 CD en-wikipedia-org-3892 182 3 ] ] -RRB- en-wikipedia-org-3892 182 4 Physiology Physiology NNP en-wikipedia-org-3892 182 5 Main Main NNP en-wikipedia-org-3892 182 6 article article NN en-wikipedia-org-3892 182 7 : : : en-wikipedia-org-3892 182 8 Cardiac cardiac JJ en-wikipedia-org-3892 182 9 physiology physiology NN en-wikipedia-org-3892 182 10 Blood blood NN en-wikipedia-org-3892 182 11 flow flow NN en-wikipedia-org-3892 182 12 Blood blood NN en-wikipedia-org-3892 182 13 flow flow NN en-wikipedia-org-3892 182 14 through through IN en-wikipedia-org-3892 182 15 the the DT en-wikipedia-org-3892 182 16 valves valve NNS en-wikipedia-org-3892 182 17 Play play VB en-wikipedia-org-3892 182 18 media medium NNS en-wikipedia-org-3892 182 19 Blood blood NN en-wikipedia-org-3892 182 20 flow flow NN en-wikipedia-org-3892 182 21 through through IN en-wikipedia-org-3892 182 22 the the DT en-wikipedia-org-3892 182 23 heart heart NN en-wikipedia-org-3892 182 24 Play play NN en-wikipedia-org-3892 182 25 media medium NNS en-wikipedia-org-3892 182 26 Video video NN en-wikipedia-org-3892 182 27 explanation explanation NN en-wikipedia-org-3892 182 28 of of IN en-wikipedia-org-3892 182 29 blood blood NN en-wikipedia-org-3892 182 30 flow flow NN en-wikipedia-org-3892 182 31 through through IN en-wikipedia-org-3892 182 32 the the DT en-wikipedia-org-3892 182 33 heart heart NN en-wikipedia-org-3892 182 34 The the DT en-wikipedia-org-3892 182 35 heart heart NN en-wikipedia-org-3892 182 36 functions function NNS en-wikipedia-org-3892 182 37 as as IN en-wikipedia-org-3892 182 38 a a DT en-wikipedia-org-3892 182 39 pump pump NN en-wikipedia-org-3892 182 40 in in IN en-wikipedia-org-3892 182 41 the the DT en-wikipedia-org-3892 182 42 circulatory circulatory JJ en-wikipedia-org-3892 182 43 system system NN en-wikipedia-org-3892 182 44 to to TO en-wikipedia-org-3892 182 45 provide provide VB en-wikipedia-org-3892 182 46 a a DT en-wikipedia-org-3892 182 47 continuous continuous JJ en-wikipedia-org-3892 182 48 flow flow NN en-wikipedia-org-3892 182 49 of of IN en-wikipedia-org-3892 182 50 blood blood NN en-wikipedia-org-3892 182 51 throughout throughout IN en-wikipedia-org-3892 182 52 the the DT en-wikipedia-org-3892 182 53 body body NN en-wikipedia-org-3892 182 54 . . . en-wikipedia-org-3892 183 1 This this DT en-wikipedia-org-3892 183 2 circulation circulation NN en-wikipedia-org-3892 183 3 consists consist VBZ en-wikipedia-org-3892 183 4 of of IN en-wikipedia-org-3892 183 5 the the DT en-wikipedia-org-3892 183 6 systemic systemic JJ en-wikipedia-org-3892 183 7 circulation circulation NN en-wikipedia-org-3892 183 8 to to IN en-wikipedia-org-3892 183 9 and and CC en-wikipedia-org-3892 183 10 from from IN en-wikipedia-org-3892 183 11 the the DT en-wikipedia-org-3892 183 12 body body NN en-wikipedia-org-3892 183 13 and and CC en-wikipedia-org-3892 183 14 the the DT en-wikipedia-org-3892 183 15 pulmonary pulmonary JJ en-wikipedia-org-3892 183 16 circulation circulation NN en-wikipedia-org-3892 183 17 to to IN en-wikipedia-org-3892 183 18 and and CC en-wikipedia-org-3892 183 19 from from IN en-wikipedia-org-3892 183 20 the the DT en-wikipedia-org-3892 183 21 lungs lung NNS en-wikipedia-org-3892 183 22 . . . en-wikipedia-org-3892 184 1 Blood blood NN en-wikipedia-org-3892 184 2 in in IN en-wikipedia-org-3892 184 3 the the DT en-wikipedia-org-3892 184 4 pulmonary pulmonary JJ en-wikipedia-org-3892 184 5 circulation circulation NN en-wikipedia-org-3892 184 6 exchanges exchange NNS en-wikipedia-org-3892 184 7 carbon carbon VBP en-wikipedia-org-3892 184 8 dioxide dioxide NN en-wikipedia-org-3892 184 9 for for IN en-wikipedia-org-3892 184 10 oxygen oxygen NN en-wikipedia-org-3892 184 11 in in IN en-wikipedia-org-3892 184 12 the the DT en-wikipedia-org-3892 184 13 lungs lung NNS en-wikipedia-org-3892 184 14 through through IN en-wikipedia-org-3892 184 15 the the DT en-wikipedia-org-3892 184 16 process process NN en-wikipedia-org-3892 184 17 of of IN en-wikipedia-org-3892 184 18 respiration respiration NN en-wikipedia-org-3892 184 19 . . . en-wikipedia-org-3892 185 1 The the DT en-wikipedia-org-3892 185 2 systemic systemic JJ en-wikipedia-org-3892 185 3 circulation circulation NN en-wikipedia-org-3892 185 4 then then RB en-wikipedia-org-3892 185 5 transports transport VBZ en-wikipedia-org-3892 185 6 oxygen oxygen NN en-wikipedia-org-3892 185 7 to to IN en-wikipedia-org-3892 185 8 the the DT en-wikipedia-org-3892 185 9 body body NN en-wikipedia-org-3892 185 10 and and CC en-wikipedia-org-3892 185 11 returns return VBZ en-wikipedia-org-3892 185 12 carbon carbon NN en-wikipedia-org-3892 185 13 dioxide dioxide NN en-wikipedia-org-3892 185 14 and and CC en-wikipedia-org-3892 185 15 relatively relatively RB en-wikipedia-org-3892 185 16 deoxygenated deoxygenate VBD en-wikipedia-org-3892 185 17 blood blood NN en-wikipedia-org-3892 185 18 to to IN en-wikipedia-org-3892 185 19 the the DT en-wikipedia-org-3892 185 20 heart heart NN en-wikipedia-org-3892 185 21 for for IN en-wikipedia-org-3892 185 22 transfer transfer NN en-wikipedia-org-3892 185 23 to to IN en-wikipedia-org-3892 185 24 the the DT en-wikipedia-org-3892 185 25 lungs lung NNS en-wikipedia-org-3892 185 26 . . . en-wikipedia-org-3892 186 1 [ [ -LRB- en-wikipedia-org-3892 186 2 7 7 LS en-wikipedia-org-3892 186 3 ] ] -RRB- en-wikipedia-org-3892 186 4 The the DT en-wikipedia-org-3892 186 5 right right JJ en-wikipedia-org-3892 186 6 heart heart NN en-wikipedia-org-3892 186 7 collects collect VBZ en-wikipedia-org-3892 186 8 deoxygenated deoxygenate VBN en-wikipedia-org-3892 186 9 blood blood NN en-wikipedia-org-3892 186 10 from from IN en-wikipedia-org-3892 186 11 two two CD en-wikipedia-org-3892 186 12 large large JJ en-wikipedia-org-3892 186 13 veins vein NNS en-wikipedia-org-3892 186 14 , , , en-wikipedia-org-3892 186 15 the the DT en-wikipedia-org-3892 186 16 superior superior JJ en-wikipedia-org-3892 186 17 and and CC en-wikipedia-org-3892 186 18 inferior inferior JJ en-wikipedia-org-3892 186 19 venae venae NNP en-wikipedia-org-3892 186 20 cavae cavae NNP en-wikipedia-org-3892 186 21 . . . en-wikipedia-org-3892 187 1 Blood blood NN en-wikipedia-org-3892 187 2 collects collect VBZ en-wikipedia-org-3892 187 3 in in IN en-wikipedia-org-3892 187 4 the the DT en-wikipedia-org-3892 187 5 right right NN en-wikipedia-org-3892 187 6 and and CC en-wikipedia-org-3892 187 7 left leave VBD en-wikipedia-org-3892 187 8 atrium atrium NN en-wikipedia-org-3892 187 9 continuously continuously RB en-wikipedia-org-3892 187 10 . . . en-wikipedia-org-3892 188 1 [ [ -LRB- en-wikipedia-org-3892 188 2 7 7 LS en-wikipedia-org-3892 188 3 ] ] -RRB- en-wikipedia-org-3892 188 4 The the DT en-wikipedia-org-3892 188 5 superior superior JJ en-wikipedia-org-3892 188 6 vena vena NN en-wikipedia-org-3892 188 7 cava cava NN en-wikipedia-org-3892 188 8 drains drain VBZ en-wikipedia-org-3892 188 9 blood blood NN en-wikipedia-org-3892 188 10 from from IN en-wikipedia-org-3892 188 11 above above IN en-wikipedia-org-3892 188 12 the the DT en-wikipedia-org-3892 188 13 diaphragm diaphragm NN en-wikipedia-org-3892 188 14 and and CC en-wikipedia-org-3892 188 15 empties empty NNS en-wikipedia-org-3892 188 16 into into IN en-wikipedia-org-3892 188 17 the the DT en-wikipedia-org-3892 188 18 upper upper JJ en-wikipedia-org-3892 188 19 back back JJ en-wikipedia-org-3892 188 20 part part NN en-wikipedia-org-3892 188 21 of of IN en-wikipedia-org-3892 188 22 the the DT en-wikipedia-org-3892 188 23 right right NN en-wikipedia-org-3892 188 24 atrium atrium NN en-wikipedia-org-3892 188 25 . . . en-wikipedia-org-3892 189 1 The the DT en-wikipedia-org-3892 189 2 inferior inferior JJ en-wikipedia-org-3892 189 3 vena vena NN en-wikipedia-org-3892 189 4 cava cava NN en-wikipedia-org-3892 189 5 drains drain VBZ en-wikipedia-org-3892 189 6 the the DT en-wikipedia-org-3892 189 7 blood blood NN en-wikipedia-org-3892 189 8 from from IN en-wikipedia-org-3892 189 9 below below IN en-wikipedia-org-3892 189 10 the the DT en-wikipedia-org-3892 189 11 diaphragm diaphragm NN en-wikipedia-org-3892 189 12 and and CC en-wikipedia-org-3892 189 13 empties empty NNS en-wikipedia-org-3892 189 14 into into IN en-wikipedia-org-3892 189 15 the the DT en-wikipedia-org-3892 189 16 back back JJ en-wikipedia-org-3892 189 17 part part NN en-wikipedia-org-3892 189 18 of of IN en-wikipedia-org-3892 189 19 the the DT en-wikipedia-org-3892 189 20 atrium atrium NN en-wikipedia-org-3892 189 21 below below IN en-wikipedia-org-3892 189 22 the the DT en-wikipedia-org-3892 189 23 opening opening NN en-wikipedia-org-3892 189 24 for for IN en-wikipedia-org-3892 189 25 the the DT en-wikipedia-org-3892 189 26 superior superior JJ en-wikipedia-org-3892 189 27 vena vena NN en-wikipedia-org-3892 189 28 cava cava NNP en-wikipedia-org-3892 189 29 . . . en-wikipedia-org-3892 190 1 Immediately immediately RB en-wikipedia-org-3892 190 2 above above RB en-wikipedia-org-3892 190 3 and and CC en-wikipedia-org-3892 190 4 to to IN en-wikipedia-org-3892 190 5 the the DT en-wikipedia-org-3892 190 6 middle middle NN en-wikipedia-org-3892 190 7 of of IN en-wikipedia-org-3892 190 8 the the DT en-wikipedia-org-3892 190 9 opening opening NN en-wikipedia-org-3892 190 10 of of IN en-wikipedia-org-3892 190 11 the the DT en-wikipedia-org-3892 190 12 inferior inferior JJ en-wikipedia-org-3892 190 13 vena vena NNP en-wikipedia-org-3892 190 14 cava cava NNP en-wikipedia-org-3892 190 15 is be VBZ en-wikipedia-org-3892 190 16 the the DT en-wikipedia-org-3892 190 17 opening opening NN en-wikipedia-org-3892 190 18 of of IN en-wikipedia-org-3892 190 19 the the DT en-wikipedia-org-3892 190 20 thin thin JJ en-wikipedia-org-3892 190 21 - - HYPH en-wikipedia-org-3892 190 22 walled walled JJ en-wikipedia-org-3892 190 23 coronary coronary JJ en-wikipedia-org-3892 190 24 sinus sinus NN en-wikipedia-org-3892 190 25 . . . en-wikipedia-org-3892 191 1 [ [ -LRB- en-wikipedia-org-3892 191 2 7 7 CD en-wikipedia-org-3892 191 3 ] ] -RRB- en-wikipedia-org-3892 191 4 Additionally additionally RB en-wikipedia-org-3892 191 5 , , , en-wikipedia-org-3892 191 6 the the DT en-wikipedia-org-3892 191 7 coronary coronary JJ en-wikipedia-org-3892 191 8 sinus sinus NN en-wikipedia-org-3892 191 9 returns return VBZ en-wikipedia-org-3892 191 10 deoxygenated deoxygenate VBD en-wikipedia-org-3892 191 11 blood blood NN en-wikipedia-org-3892 191 12 from from IN en-wikipedia-org-3892 191 13 the the DT en-wikipedia-org-3892 191 14 myocardium myocardium NN en-wikipedia-org-3892 191 15 to to IN en-wikipedia-org-3892 191 16 the the DT en-wikipedia-org-3892 191 17 right right JJ en-wikipedia-org-3892 191 18 atrium atrium NN en-wikipedia-org-3892 191 19 . . . en-wikipedia-org-3892 192 1 The the DT en-wikipedia-org-3892 192 2 blood blood NN en-wikipedia-org-3892 192 3 collects collect VBZ en-wikipedia-org-3892 192 4 in in IN en-wikipedia-org-3892 192 5 the the DT en-wikipedia-org-3892 192 6 right right NN en-wikipedia-org-3892 192 7 atrium atrium NN en-wikipedia-org-3892 192 8 . . . en-wikipedia-org-3892 193 1 When when WRB en-wikipedia-org-3892 193 2 the the DT en-wikipedia-org-3892 193 3 right right JJ en-wikipedia-org-3892 193 4 atrium atrium NN en-wikipedia-org-3892 193 5 contracts contract NNS en-wikipedia-org-3892 193 6 , , , en-wikipedia-org-3892 193 7 the the DT en-wikipedia-org-3892 193 8 blood blood NN en-wikipedia-org-3892 193 9 is be VBZ en-wikipedia-org-3892 193 10 pumped pump VBN en-wikipedia-org-3892 193 11 through through IN en-wikipedia-org-3892 193 12 the the DT en-wikipedia-org-3892 193 13 tricuspid tricuspid NN en-wikipedia-org-3892 193 14 valve valve NN en-wikipedia-org-3892 193 15 into into IN en-wikipedia-org-3892 193 16 the the DT en-wikipedia-org-3892 193 17 right right JJ en-wikipedia-org-3892 193 18 ventricle ventricle NN en-wikipedia-org-3892 193 19 . . . en-wikipedia-org-3892 194 1 As as IN en-wikipedia-org-3892 194 2 the the DT en-wikipedia-org-3892 194 3 right right JJ en-wikipedia-org-3892 194 4 ventricle ventricle NN en-wikipedia-org-3892 194 5 contracts contract NNS en-wikipedia-org-3892 194 6 , , , en-wikipedia-org-3892 194 7 the the DT en-wikipedia-org-3892 194 8 tricuspid tricuspid NN en-wikipedia-org-3892 194 9 valve valve NN en-wikipedia-org-3892 194 10 closes close NNS en-wikipedia-org-3892 194 11 and and CC en-wikipedia-org-3892 194 12 the the DT en-wikipedia-org-3892 194 13 blood blood NN en-wikipedia-org-3892 194 14 is be VBZ en-wikipedia-org-3892 194 15 pumped pump VBN en-wikipedia-org-3892 194 16 into into IN en-wikipedia-org-3892 194 17 the the DT en-wikipedia-org-3892 194 18 pulmonary pulmonary JJ en-wikipedia-org-3892 194 19 trunk trunk NN en-wikipedia-org-3892 194 20 through through IN en-wikipedia-org-3892 194 21 the the DT en-wikipedia-org-3892 194 22 pulmonary pulmonary JJ en-wikipedia-org-3892 194 23 valve valve NN en-wikipedia-org-3892 194 24 . . . en-wikipedia-org-3892 195 1 The the DT en-wikipedia-org-3892 195 2 pulmonary pulmonary JJ en-wikipedia-org-3892 195 3 trunk trunk NN en-wikipedia-org-3892 195 4 divides divide VBZ en-wikipedia-org-3892 195 5 into into IN en-wikipedia-org-3892 195 6 pulmonary pulmonary JJ en-wikipedia-org-3892 195 7 arteries artery NNS en-wikipedia-org-3892 195 8 and and CC en-wikipedia-org-3892 195 9 progressively progressively RB en-wikipedia-org-3892 195 10 smaller small JJR en-wikipedia-org-3892 195 11 arteries artery NNS en-wikipedia-org-3892 195 12 throughout throughout IN en-wikipedia-org-3892 195 13 the the DT en-wikipedia-org-3892 195 14 lungs lung NNS en-wikipedia-org-3892 195 15 , , , en-wikipedia-org-3892 195 16 until until IN en-wikipedia-org-3892 195 17 it -PRON- PRP en-wikipedia-org-3892 195 18 reaches reach VBZ en-wikipedia-org-3892 195 19 capillaries capillary NNS en-wikipedia-org-3892 195 20 . . . en-wikipedia-org-3892 196 1 As as IN en-wikipedia-org-3892 196 2 these these DT en-wikipedia-org-3892 196 3 pass pass NN en-wikipedia-org-3892 196 4 by by IN en-wikipedia-org-3892 196 5 alveoli alveoli NNP en-wikipedia-org-3892 196 6 carbon carbon NN en-wikipedia-org-3892 196 7 dioxide dioxide NN en-wikipedia-org-3892 196 8 is be VBZ en-wikipedia-org-3892 196 9 exchanged exchange VBN en-wikipedia-org-3892 196 10 for for IN en-wikipedia-org-3892 196 11 oxygen oxygen NN en-wikipedia-org-3892 196 12 . . . en-wikipedia-org-3892 197 1 This this DT en-wikipedia-org-3892 197 2 happens happen VBZ en-wikipedia-org-3892 197 3 through through IN en-wikipedia-org-3892 197 4 the the DT en-wikipedia-org-3892 197 5 passive passive JJ en-wikipedia-org-3892 197 6 process process NN en-wikipedia-org-3892 197 7 of of IN en-wikipedia-org-3892 197 8 diffusion diffusion NN en-wikipedia-org-3892 197 9 . . . en-wikipedia-org-3892 198 1 In in IN en-wikipedia-org-3892 198 2 the the DT en-wikipedia-org-3892 198 3 left left JJ en-wikipedia-org-3892 198 4 heart heart NN en-wikipedia-org-3892 198 5 , , , en-wikipedia-org-3892 198 6 oxygenated oxygenated JJ en-wikipedia-org-3892 198 7 blood blood NN en-wikipedia-org-3892 198 8 is be VBZ en-wikipedia-org-3892 198 9 returned return VBN en-wikipedia-org-3892 198 10 to to IN en-wikipedia-org-3892 198 11 the the DT en-wikipedia-org-3892 198 12 left left JJ en-wikipedia-org-3892 198 13 atrium atrium NN en-wikipedia-org-3892 198 14 via via IN en-wikipedia-org-3892 198 15 the the DT en-wikipedia-org-3892 198 16 pulmonary pulmonary JJ en-wikipedia-org-3892 198 17 veins vein NNS en-wikipedia-org-3892 198 18 . . . en-wikipedia-org-3892 199 1 It -PRON- PRP en-wikipedia-org-3892 199 2 is be VBZ en-wikipedia-org-3892 199 3 then then RB en-wikipedia-org-3892 199 4 pumped pump VBN en-wikipedia-org-3892 199 5 into into IN en-wikipedia-org-3892 199 6 the the DT en-wikipedia-org-3892 199 7 left left JJ en-wikipedia-org-3892 199 8 ventricle ventricle NN en-wikipedia-org-3892 199 9 through through IN en-wikipedia-org-3892 199 10 the the DT en-wikipedia-org-3892 199 11 mitral mitral JJ en-wikipedia-org-3892 199 12 valve valve NN en-wikipedia-org-3892 199 13 and and CC en-wikipedia-org-3892 199 14 into into IN en-wikipedia-org-3892 199 15 the the DT en-wikipedia-org-3892 199 16 aorta aorta NN en-wikipedia-org-3892 199 17 through through IN en-wikipedia-org-3892 199 18 the the DT en-wikipedia-org-3892 199 19 aortic aortic JJ en-wikipedia-org-3892 199 20 valve valve NN en-wikipedia-org-3892 199 21 for for IN en-wikipedia-org-3892 199 22 systemic systemic JJ en-wikipedia-org-3892 199 23 circulation circulation NN en-wikipedia-org-3892 199 24 . . . en-wikipedia-org-3892 200 1 The the DT en-wikipedia-org-3892 200 2 aorta aorta NN en-wikipedia-org-3892 200 3 is be VBZ en-wikipedia-org-3892 200 4 a a DT en-wikipedia-org-3892 200 5 large large JJ en-wikipedia-org-3892 200 6 artery artery NN en-wikipedia-org-3892 200 7 that that WDT en-wikipedia-org-3892 200 8 branches branch VBZ en-wikipedia-org-3892 200 9 into into IN en-wikipedia-org-3892 200 10 many many JJ en-wikipedia-org-3892 200 11 smaller small JJR en-wikipedia-org-3892 200 12 arteries artery NNS en-wikipedia-org-3892 200 13 , , , en-wikipedia-org-3892 200 14 arterioles arteriole NNS en-wikipedia-org-3892 200 15 , , , en-wikipedia-org-3892 200 16 and and CC en-wikipedia-org-3892 200 17 ultimately ultimately RB en-wikipedia-org-3892 200 18 capillaries capillary NNS en-wikipedia-org-3892 200 19 . . . en-wikipedia-org-3892 201 1 In in IN en-wikipedia-org-3892 201 2 the the DT en-wikipedia-org-3892 201 3 capillaries capillary NNS en-wikipedia-org-3892 201 4 , , , en-wikipedia-org-3892 201 5 oxygen oxygen NN en-wikipedia-org-3892 201 6 and and CC en-wikipedia-org-3892 201 7 nutrients nutrient NNS en-wikipedia-org-3892 201 8 from from IN en-wikipedia-org-3892 201 9 blood blood NN en-wikipedia-org-3892 201 10 are be VBP en-wikipedia-org-3892 201 11 supplied supply VBN en-wikipedia-org-3892 201 12 to to IN en-wikipedia-org-3892 201 13 body body NN en-wikipedia-org-3892 201 14 cells cell NNS en-wikipedia-org-3892 201 15 for for IN en-wikipedia-org-3892 201 16 metabolism metabolism NN en-wikipedia-org-3892 201 17 , , , en-wikipedia-org-3892 201 18 and and CC en-wikipedia-org-3892 201 19 exchanged exchange VBD en-wikipedia-org-3892 201 20 for for IN en-wikipedia-org-3892 201 21 carbon carbon NN en-wikipedia-org-3892 201 22 dioxide dioxide NN en-wikipedia-org-3892 201 23 and and CC en-wikipedia-org-3892 201 24 waste waste NN en-wikipedia-org-3892 201 25 products product NNS en-wikipedia-org-3892 201 26 . . . en-wikipedia-org-3892 202 1 [ [ -LRB- en-wikipedia-org-3892 202 2 7 7 LS en-wikipedia-org-3892 202 3 ] ] -RRB- en-wikipedia-org-3892 202 4 Capillary capillary JJ en-wikipedia-org-3892 202 5 blood blood NN en-wikipedia-org-3892 202 6 , , , en-wikipedia-org-3892 202 7 now now RB en-wikipedia-org-3892 202 8 deoxygenated deoxygenate VBN en-wikipedia-org-3892 202 9 , , , en-wikipedia-org-3892 202 10 travels travel NNS en-wikipedia-org-3892 202 11 into into IN en-wikipedia-org-3892 202 12 venules venule NNS en-wikipedia-org-3892 202 13 and and CC en-wikipedia-org-3892 202 14 veins vein NNS en-wikipedia-org-3892 202 15 that that WDT en-wikipedia-org-3892 202 16 ultimately ultimately RB en-wikipedia-org-3892 202 17 collect collect VBP en-wikipedia-org-3892 202 18 in in IN en-wikipedia-org-3892 202 19 the the DT en-wikipedia-org-3892 202 20 superior superior JJ en-wikipedia-org-3892 202 21 and and CC en-wikipedia-org-3892 202 22 inferior inferior JJ en-wikipedia-org-3892 202 23 vena vena NNP en-wikipedia-org-3892 202 24 cavae cavae NNP en-wikipedia-org-3892 202 25 , , , en-wikipedia-org-3892 202 26 and and CC en-wikipedia-org-3892 202 27 into into IN en-wikipedia-org-3892 202 28 the the DT en-wikipedia-org-3892 202 29 right right JJ en-wikipedia-org-3892 202 30 heart heart NN en-wikipedia-org-3892 202 31 . . . en-wikipedia-org-3892 203 1 Cardiac cardiac JJ en-wikipedia-org-3892 203 2 cycle cycle NN en-wikipedia-org-3892 203 3 Main main JJ en-wikipedia-org-3892 203 4 articles article NNS en-wikipedia-org-3892 203 5 : : : en-wikipedia-org-3892 203 6 Cardiac cardiac JJ en-wikipedia-org-3892 203 7 cycle cycle NN en-wikipedia-org-3892 203 8 , , , en-wikipedia-org-3892 203 9 Systole Systole NNP en-wikipedia-org-3892 203 10 , , , en-wikipedia-org-3892 203 11 and and CC en-wikipedia-org-3892 203 12 Diastole Diastole NNP en-wikipedia-org-3892 203 13 The the DT en-wikipedia-org-3892 203 14 cardiac cardiac JJ en-wikipedia-org-3892 203 15 cycle cycle NN en-wikipedia-org-3892 203 16 as as IN en-wikipedia-org-3892 203 17 correlated correlate VBN en-wikipedia-org-3892 203 18 to to IN en-wikipedia-org-3892 203 19 the the DT en-wikipedia-org-3892 203 20 ECG ECG NNP en-wikipedia-org-3892 203 21 The the DT en-wikipedia-org-3892 203 22 cardiac cardiac JJ en-wikipedia-org-3892 203 23 cycle cycle NN en-wikipedia-org-3892 203 24 refers refer VBZ en-wikipedia-org-3892 203 25 to to IN en-wikipedia-org-3892 203 26 the the DT en-wikipedia-org-3892 203 27 sequence sequence NN en-wikipedia-org-3892 203 28 of of IN en-wikipedia-org-3892 203 29 events event NNS en-wikipedia-org-3892 203 30 in in IN en-wikipedia-org-3892 203 31 which which WDT en-wikipedia-org-3892 203 32 the the DT en-wikipedia-org-3892 203 33 heart heart NN en-wikipedia-org-3892 203 34 contracts contract NNS en-wikipedia-org-3892 203 35 and and CC en-wikipedia-org-3892 203 36 relaxes relax VBZ en-wikipedia-org-3892 203 37 with with IN en-wikipedia-org-3892 203 38 every every DT en-wikipedia-org-3892 203 39 heartbeat heartbeat NN en-wikipedia-org-3892 203 40 . . . en-wikipedia-org-3892 204 1 [ [ -LRB- en-wikipedia-org-3892 204 2 9 9 CD en-wikipedia-org-3892 204 3 ] ] -RRB- en-wikipedia-org-3892 204 4 The the DT en-wikipedia-org-3892 204 5 period period NN en-wikipedia-org-3892 204 6 of of IN en-wikipedia-org-3892 204 7 time time NN en-wikipedia-org-3892 204 8 during during IN en-wikipedia-org-3892 204 9 which which WDT en-wikipedia-org-3892 204 10 the the DT en-wikipedia-org-3892 204 11 ventricles ventricle NNS en-wikipedia-org-3892 204 12 contract contract NN en-wikipedia-org-3892 204 13 , , , en-wikipedia-org-3892 204 14 forcing force VBG en-wikipedia-org-3892 204 15 blood blood NN en-wikipedia-org-3892 204 16 out out RP en-wikipedia-org-3892 204 17 into into IN en-wikipedia-org-3892 204 18 the the DT en-wikipedia-org-3892 204 19 aorta aorta JJ en-wikipedia-org-3892 204 20 and and CC en-wikipedia-org-3892 204 21 main main JJ en-wikipedia-org-3892 204 22 pulmonary pulmonary JJ en-wikipedia-org-3892 204 23 artery artery NN en-wikipedia-org-3892 204 24 , , , en-wikipedia-org-3892 204 25 is be VBZ en-wikipedia-org-3892 204 26 known know VBN en-wikipedia-org-3892 204 27 as as IN en-wikipedia-org-3892 204 28 systole systole NNS en-wikipedia-org-3892 204 29 , , , en-wikipedia-org-3892 204 30 while while IN en-wikipedia-org-3892 204 31 the the DT en-wikipedia-org-3892 204 32 period period NN en-wikipedia-org-3892 204 33 during during IN en-wikipedia-org-3892 204 34 which which WDT en-wikipedia-org-3892 204 35 the the DT en-wikipedia-org-3892 204 36 ventricles ventricle NNS en-wikipedia-org-3892 204 37 relax relax VBP en-wikipedia-org-3892 204 38 and and CC en-wikipedia-org-3892 204 39 refill refill VBP en-wikipedia-org-3892 204 40 with with IN en-wikipedia-org-3892 204 41 blood blood NN en-wikipedia-org-3892 204 42 is be VBZ en-wikipedia-org-3892 204 43 known know VBN en-wikipedia-org-3892 204 44 as as IN en-wikipedia-org-3892 204 45 diastole diastole NNP en-wikipedia-org-3892 204 46 . . . en-wikipedia-org-3892 205 1 The the DT en-wikipedia-org-3892 205 2 atria atria NNP en-wikipedia-org-3892 205 3 and and CC en-wikipedia-org-3892 205 4 ventricles ventricle NNS en-wikipedia-org-3892 205 5 work work VBP en-wikipedia-org-3892 205 6 in in IN en-wikipedia-org-3892 205 7 concert concert NN en-wikipedia-org-3892 205 8 , , , en-wikipedia-org-3892 205 9 so so CC en-wikipedia-org-3892 205 10 in in IN en-wikipedia-org-3892 205 11 systole systole NNP en-wikipedia-org-3892 205 12 when when WRB en-wikipedia-org-3892 205 13 the the DT en-wikipedia-org-3892 205 14 ventricles ventricle NNS en-wikipedia-org-3892 205 15 are be VBP en-wikipedia-org-3892 205 16 contracting contract VBG en-wikipedia-org-3892 205 17 , , , en-wikipedia-org-3892 205 18 the the DT en-wikipedia-org-3892 205 19 atria atrium NNS en-wikipedia-org-3892 205 20 are be VBP en-wikipedia-org-3892 205 21 relaxed relaxed JJ en-wikipedia-org-3892 205 22 and and CC en-wikipedia-org-3892 205 23 collecting collect VBG en-wikipedia-org-3892 205 24 blood blood NN en-wikipedia-org-3892 205 25 . . . en-wikipedia-org-3892 206 1 When when WRB en-wikipedia-org-3892 206 2 the the DT en-wikipedia-org-3892 206 3 ventricles ventricle NNS en-wikipedia-org-3892 206 4 are be VBP en-wikipedia-org-3892 206 5 relaxed relaxed JJ en-wikipedia-org-3892 206 6 in in IN en-wikipedia-org-3892 206 7 diastole diastole NNP en-wikipedia-org-3892 206 8 , , , en-wikipedia-org-3892 206 9 the the DT en-wikipedia-org-3892 206 10 atria atria NNP en-wikipedia-org-3892 206 11 contract contract NN en-wikipedia-org-3892 206 12 to to TO en-wikipedia-org-3892 206 13 pump pump VB en-wikipedia-org-3892 206 14 blood blood NN en-wikipedia-org-3892 206 15 to to IN en-wikipedia-org-3892 206 16 the the DT en-wikipedia-org-3892 206 17 ventricles ventricle NNS en-wikipedia-org-3892 206 18 . . . en-wikipedia-org-3892 207 1 This this DT en-wikipedia-org-3892 207 2 coordination coordination NN en-wikipedia-org-3892 207 3 ensures ensure VBZ en-wikipedia-org-3892 207 4 blood blood NN en-wikipedia-org-3892 207 5 is be VBZ en-wikipedia-org-3892 207 6 pumped pump VBN en-wikipedia-org-3892 207 7 efficiently efficiently RB en-wikipedia-org-3892 207 8 to to IN en-wikipedia-org-3892 207 9 the the DT en-wikipedia-org-3892 207 10 body body NN en-wikipedia-org-3892 207 11 . . . en-wikipedia-org-3892 208 1 [ [ -LRB- en-wikipedia-org-3892 208 2 7 7 CD en-wikipedia-org-3892 208 3 ] ] -RRB- en-wikipedia-org-3892 208 4 At at IN en-wikipedia-org-3892 208 5 the the DT en-wikipedia-org-3892 208 6 beginning beginning NN en-wikipedia-org-3892 208 7 of of IN en-wikipedia-org-3892 208 8 the the DT en-wikipedia-org-3892 208 9 cardiac cardiac JJ en-wikipedia-org-3892 208 10 cycle cycle NN en-wikipedia-org-3892 208 11 , , , en-wikipedia-org-3892 208 12 the the DT en-wikipedia-org-3892 208 13 ventricles ventricle NNS en-wikipedia-org-3892 208 14 are be VBP en-wikipedia-org-3892 208 15 relaxing relax VBG en-wikipedia-org-3892 208 16 . . . en-wikipedia-org-3892 209 1 As as IN en-wikipedia-org-3892 209 2 they -PRON- PRP en-wikipedia-org-3892 209 3 do do VBP en-wikipedia-org-3892 209 4 so so RB en-wikipedia-org-3892 209 5 , , , en-wikipedia-org-3892 209 6 they -PRON- PRP en-wikipedia-org-3892 209 7 are be VBP en-wikipedia-org-3892 209 8 filled fill VBN en-wikipedia-org-3892 209 9 by by IN en-wikipedia-org-3892 209 10 blood blood NN en-wikipedia-org-3892 209 11 passing pass VBG en-wikipedia-org-3892 209 12 through through IN en-wikipedia-org-3892 209 13 the the DT en-wikipedia-org-3892 209 14 open open JJ en-wikipedia-org-3892 209 15 mitral mitral JJ en-wikipedia-org-3892 209 16 and and CC en-wikipedia-org-3892 209 17 tricuspid tricuspid NN en-wikipedia-org-3892 209 18 valves valve NNS en-wikipedia-org-3892 209 19 . . . en-wikipedia-org-3892 210 1 After after IN en-wikipedia-org-3892 210 2 the the DT en-wikipedia-org-3892 210 3 ventricles ventricle NNS en-wikipedia-org-3892 210 4 have have VBP en-wikipedia-org-3892 210 5 completed complete VBN en-wikipedia-org-3892 210 6 most most JJS en-wikipedia-org-3892 210 7 of of IN en-wikipedia-org-3892 210 8 their -PRON- PRP$ en-wikipedia-org-3892 210 9 filling filling NN en-wikipedia-org-3892 210 10 , , , en-wikipedia-org-3892 210 11 the the DT en-wikipedia-org-3892 210 12 atria atria NNP en-wikipedia-org-3892 210 13 contract contract NN en-wikipedia-org-3892 210 14 , , , en-wikipedia-org-3892 210 15 forcing force VBG en-wikipedia-org-3892 210 16 further further JJ en-wikipedia-org-3892 210 17 blood blood NN en-wikipedia-org-3892 210 18 into into IN en-wikipedia-org-3892 210 19 the the DT en-wikipedia-org-3892 210 20 ventricles ventricle NNS en-wikipedia-org-3892 210 21 and and CC en-wikipedia-org-3892 210 22 priming prime VBG en-wikipedia-org-3892 210 23 the the DT en-wikipedia-org-3892 210 24 pump pump NN en-wikipedia-org-3892 210 25 . . . en-wikipedia-org-3892 211 1 Next next RB en-wikipedia-org-3892 211 2 , , , en-wikipedia-org-3892 211 3 the the DT en-wikipedia-org-3892 211 4 ventricles ventricle NNS en-wikipedia-org-3892 211 5 start start VBP en-wikipedia-org-3892 211 6 to to TO en-wikipedia-org-3892 211 7 contract contract NN en-wikipedia-org-3892 211 8 . . . en-wikipedia-org-3892 212 1 As as IN en-wikipedia-org-3892 212 2 the the DT en-wikipedia-org-3892 212 3 pressure pressure NN en-wikipedia-org-3892 212 4 rises rise VBZ en-wikipedia-org-3892 212 5 within within IN en-wikipedia-org-3892 212 6 the the DT en-wikipedia-org-3892 212 7 cavities cavity NNS en-wikipedia-org-3892 212 8 of of IN en-wikipedia-org-3892 212 9 the the DT en-wikipedia-org-3892 212 10 ventricles ventricle NNS en-wikipedia-org-3892 212 11 , , , en-wikipedia-org-3892 212 12 the the DT en-wikipedia-org-3892 212 13 mitral mitral JJ en-wikipedia-org-3892 212 14 and and CC en-wikipedia-org-3892 212 15 tricuspid tricuspid NN en-wikipedia-org-3892 212 16 valves valve NNS en-wikipedia-org-3892 212 17 are be VBP en-wikipedia-org-3892 212 18 forced force VBN en-wikipedia-org-3892 212 19 shut shut VBN en-wikipedia-org-3892 212 20 . . . en-wikipedia-org-3892 213 1 As as IN en-wikipedia-org-3892 213 2 the the DT en-wikipedia-org-3892 213 3 pressure pressure NN en-wikipedia-org-3892 213 4 within within IN en-wikipedia-org-3892 213 5 the the DT en-wikipedia-org-3892 213 6 ventricles ventricle NNS en-wikipedia-org-3892 213 7 rises rise VBZ en-wikipedia-org-3892 213 8 further far RBR en-wikipedia-org-3892 213 9 , , , en-wikipedia-org-3892 213 10 exceeding exceed VBG en-wikipedia-org-3892 213 11 the the DT en-wikipedia-org-3892 213 12 pressure pressure NN en-wikipedia-org-3892 213 13 with with IN en-wikipedia-org-3892 213 14 the the DT en-wikipedia-org-3892 213 15 aorta aorta NNP en-wikipedia-org-3892 213 16 and and CC en-wikipedia-org-3892 213 17 pulmonary pulmonary JJ en-wikipedia-org-3892 213 18 arteries artery NNS en-wikipedia-org-3892 213 19 , , , en-wikipedia-org-3892 213 20 the the DT en-wikipedia-org-3892 213 21 aortic aortic JJ en-wikipedia-org-3892 213 22 and and CC en-wikipedia-org-3892 213 23 pulmonary pulmonary JJ en-wikipedia-org-3892 213 24 valves valve NNS en-wikipedia-org-3892 213 25 open open JJ en-wikipedia-org-3892 213 26 . . . en-wikipedia-org-3892 214 1 Blood blood NN en-wikipedia-org-3892 214 2 is be VBZ en-wikipedia-org-3892 214 3 ejected eject VBN en-wikipedia-org-3892 214 4 from from IN en-wikipedia-org-3892 214 5 the the DT en-wikipedia-org-3892 214 6 heart heart NN en-wikipedia-org-3892 214 7 , , , en-wikipedia-org-3892 214 8 causing cause VBG en-wikipedia-org-3892 214 9 the the DT en-wikipedia-org-3892 214 10 pressure pressure NN en-wikipedia-org-3892 214 11 within within IN en-wikipedia-org-3892 214 12 the the DT en-wikipedia-org-3892 214 13 ventricles ventricle NNS en-wikipedia-org-3892 214 14 to to TO en-wikipedia-org-3892 214 15 fall fall VB en-wikipedia-org-3892 214 16 . . . en-wikipedia-org-3892 215 1 Simultaneously simultaneously RB en-wikipedia-org-3892 215 2 , , , en-wikipedia-org-3892 215 3 the the DT en-wikipedia-org-3892 215 4 atria atria NNP en-wikipedia-org-3892 215 5 refill refill NN en-wikipedia-org-3892 215 6 as as IN en-wikipedia-org-3892 215 7 blood blood NN en-wikipedia-org-3892 215 8 flows flow VBZ en-wikipedia-org-3892 215 9 into into IN en-wikipedia-org-3892 215 10 the the DT en-wikipedia-org-3892 215 11 right right JJ en-wikipedia-org-3892 215 12 atrium atrium NN en-wikipedia-org-3892 215 13 through through IN en-wikipedia-org-3892 215 14 the the DT en-wikipedia-org-3892 215 15 superior superior JJ en-wikipedia-org-3892 215 16 and and CC en-wikipedia-org-3892 215 17 inferior inferior JJ en-wikipedia-org-3892 215 18 vena vena NNP en-wikipedia-org-3892 215 19 cavae cavae NNP en-wikipedia-org-3892 215 20 , , , en-wikipedia-org-3892 215 21 and and CC en-wikipedia-org-3892 215 22 into into IN en-wikipedia-org-3892 215 23 the the DT en-wikipedia-org-3892 215 24 left left JJ en-wikipedia-org-3892 215 25 atrium atrium NN en-wikipedia-org-3892 215 26 through through IN en-wikipedia-org-3892 215 27 the the DT en-wikipedia-org-3892 215 28 pulmonary pulmonary JJ en-wikipedia-org-3892 215 29 veins vein NNS en-wikipedia-org-3892 215 30 . . . en-wikipedia-org-3892 216 1 Finally finally RB en-wikipedia-org-3892 216 2 , , , en-wikipedia-org-3892 216 3 when when WRB en-wikipedia-org-3892 216 4 the the DT en-wikipedia-org-3892 216 5 pressure pressure NN en-wikipedia-org-3892 216 6 within within IN en-wikipedia-org-3892 216 7 the the DT en-wikipedia-org-3892 216 8 ventricles ventricle NNS en-wikipedia-org-3892 216 9 falls fall VBZ en-wikipedia-org-3892 216 10 below below IN en-wikipedia-org-3892 216 11 the the DT en-wikipedia-org-3892 216 12 pressure pressure NN en-wikipedia-org-3892 216 13 within within IN en-wikipedia-org-3892 216 14 the the DT en-wikipedia-org-3892 216 15 aorta aorta NNP en-wikipedia-org-3892 216 16 and and CC en-wikipedia-org-3892 216 17 pulmonary pulmonary JJ en-wikipedia-org-3892 216 18 arteries artery NNS en-wikipedia-org-3892 216 19 , , , en-wikipedia-org-3892 216 20 the the DT en-wikipedia-org-3892 216 21 aortic aortic JJ en-wikipedia-org-3892 216 22 and and CC en-wikipedia-org-3892 216 23 pulmonary pulmonary JJ en-wikipedia-org-3892 216 24 valves valve NNS en-wikipedia-org-3892 216 25 close close RB en-wikipedia-org-3892 216 26 . . . en-wikipedia-org-3892 217 1 The the DT en-wikipedia-org-3892 217 2 ventricles ventricle NNS en-wikipedia-org-3892 217 3 start start VBP en-wikipedia-org-3892 217 4 to to TO en-wikipedia-org-3892 217 5 relax relax VB en-wikipedia-org-3892 217 6 , , , en-wikipedia-org-3892 217 7 the the DT en-wikipedia-org-3892 217 8 mitral mitral JJ en-wikipedia-org-3892 217 9 and and CC en-wikipedia-org-3892 217 10 tricuspid tricuspid NN en-wikipedia-org-3892 217 11 valves valve NNS en-wikipedia-org-3892 217 12 open open JJ en-wikipedia-org-3892 217 13 , , , en-wikipedia-org-3892 217 14 and and CC en-wikipedia-org-3892 217 15 the the DT en-wikipedia-org-3892 217 16 cycle cycle NN en-wikipedia-org-3892 217 17 begins begin VBZ en-wikipedia-org-3892 217 18 again again RB en-wikipedia-org-3892 217 19 . . . en-wikipedia-org-3892 218 1 [ [ -LRB- en-wikipedia-org-3892 218 2 9 9 CD en-wikipedia-org-3892 218 3 ] ] -RRB- en-wikipedia-org-3892 218 4 Cardiac cardiac JJ en-wikipedia-org-3892 218 5 output output NN en-wikipedia-org-3892 218 6 Main main JJ en-wikipedia-org-3892 218 7 article article NN en-wikipedia-org-3892 218 8 : : : en-wikipedia-org-3892 218 9 Cardiac cardiac JJ en-wikipedia-org-3892 218 10 output output NN en-wikipedia-org-3892 218 11 The the DT en-wikipedia-org-3892 218 12 x x NN en-wikipedia-org-3892 218 13 - - : en-wikipedia-org-3892 218 14 axis axis RB en-wikipedia-org-3892 218 15 reflects reflect VBZ en-wikipedia-org-3892 218 16 time time NN en-wikipedia-org-3892 218 17 with with IN en-wikipedia-org-3892 218 18 a a DT en-wikipedia-org-3892 218 19 recording recording NN en-wikipedia-org-3892 218 20 of of IN en-wikipedia-org-3892 218 21 the the DT en-wikipedia-org-3892 218 22 heart heart NN en-wikipedia-org-3892 218 23 sounds sound VBZ en-wikipedia-org-3892 218 24 . . . en-wikipedia-org-3892 219 1 The the DT en-wikipedia-org-3892 219 2 y y NN en-wikipedia-org-3892 219 3 - - : en-wikipedia-org-3892 219 4 axis axis NNP en-wikipedia-org-3892 219 5 represents represent VBZ en-wikipedia-org-3892 219 6 pressure pressure NN en-wikipedia-org-3892 219 7 . . . en-wikipedia-org-3892 220 1 [ [ -LRB- en-wikipedia-org-3892 220 2 7 7 LS en-wikipedia-org-3892 220 3 ] ] -RRB- en-wikipedia-org-3892 220 4 Cardiac cardiac JJ en-wikipedia-org-3892 220 5 output output NN en-wikipedia-org-3892 220 6 ( ( -LRB- en-wikipedia-org-3892 220 7 CO CO NNP en-wikipedia-org-3892 220 8 ) ) -RRB- en-wikipedia-org-3892 220 9 is be VBZ en-wikipedia-org-3892 220 10 a a DT en-wikipedia-org-3892 220 11 measurement measurement NN en-wikipedia-org-3892 220 12 of of IN en-wikipedia-org-3892 220 13 the the DT en-wikipedia-org-3892 220 14 amount amount NN en-wikipedia-org-3892 220 15 of of IN en-wikipedia-org-3892 220 16 blood blood NN en-wikipedia-org-3892 220 17 pumped pump VBN en-wikipedia-org-3892 220 18 by by IN en-wikipedia-org-3892 220 19 each each DT en-wikipedia-org-3892 220 20 ventricle ventricle NN en-wikipedia-org-3892 220 21 ( ( -LRB- en-wikipedia-org-3892 220 22 stroke stroke NN en-wikipedia-org-3892 220 23 volume volume NN en-wikipedia-org-3892 220 24 ) ) -RRB- en-wikipedia-org-3892 220 25 in in IN en-wikipedia-org-3892 220 26 one one CD en-wikipedia-org-3892 220 27 minute minute NN en-wikipedia-org-3892 220 28 . . . en-wikipedia-org-3892 221 1 This this DT en-wikipedia-org-3892 221 2 is be VBZ en-wikipedia-org-3892 221 3 calculated calculate VBN en-wikipedia-org-3892 221 4 by by IN en-wikipedia-org-3892 221 5 multiplying multiply VBG en-wikipedia-org-3892 221 6 the the DT en-wikipedia-org-3892 221 7 stroke stroke NN en-wikipedia-org-3892 221 8 volume volume NN en-wikipedia-org-3892 221 9 ( ( -LRB- en-wikipedia-org-3892 221 10 SV SV NNP en-wikipedia-org-3892 221 11 ) ) -RRB- en-wikipedia-org-3892 221 12 by by IN en-wikipedia-org-3892 221 13 the the DT en-wikipedia-org-3892 221 14 beats beat NNS en-wikipedia-org-3892 221 15 per per IN en-wikipedia-org-3892 221 16 minute minute NN en-wikipedia-org-3892 221 17 of of IN en-wikipedia-org-3892 221 18 the the DT en-wikipedia-org-3892 221 19 heart heart NN en-wikipedia-org-3892 221 20 rate rate NN en-wikipedia-org-3892 221 21 ( ( -LRB- en-wikipedia-org-3892 221 22 HR hr NN en-wikipedia-org-3892 221 23 ) ) -RRB- en-wikipedia-org-3892 221 24 . . . en-wikipedia-org-3892 222 1 So so RB en-wikipedia-org-3892 222 2 that that DT en-wikipedia-org-3892 222 3 : : : en-wikipedia-org-3892 222 4 CO CO NNP en-wikipedia-org-3892 222 5 = = SYM en-wikipedia-org-3892 222 6 SV SV NNP en-wikipedia-org-3892 222 7 x x SYM en-wikipedia-org-3892 222 8 HR hr NN en-wikipedia-org-3892 222 9 . . . en-wikipedia-org-3892 223 1 [ [ -LRB- en-wikipedia-org-3892 223 2 7 7 LS en-wikipedia-org-3892 223 3 ] ] -RRB- en-wikipedia-org-3892 223 4 The the DT en-wikipedia-org-3892 223 5 cardiac cardiac JJ en-wikipedia-org-3892 223 6 output output NN en-wikipedia-org-3892 223 7 is be VBZ en-wikipedia-org-3892 223 8 normalized normalize VBN en-wikipedia-org-3892 223 9 to to IN en-wikipedia-org-3892 223 10 body body NN en-wikipedia-org-3892 223 11 size size NN en-wikipedia-org-3892 223 12 through through IN en-wikipedia-org-3892 223 13 body body NN en-wikipedia-org-3892 223 14 surface surface NN en-wikipedia-org-3892 223 15 area area NN en-wikipedia-org-3892 223 16 and and CC en-wikipedia-org-3892 223 17 is be VBZ en-wikipedia-org-3892 223 18 called call VBN en-wikipedia-org-3892 223 19 the the DT en-wikipedia-org-3892 223 20 cardiac cardiac JJ en-wikipedia-org-3892 223 21 index index NN en-wikipedia-org-3892 223 22 . . . en-wikipedia-org-3892 224 1 The the DT en-wikipedia-org-3892 224 2 average average JJ en-wikipedia-org-3892 224 3 cardiac cardiac JJ en-wikipedia-org-3892 224 4 output output NN en-wikipedia-org-3892 224 5 , , , en-wikipedia-org-3892 224 6 using use VBG en-wikipedia-org-3892 224 7 an an DT en-wikipedia-org-3892 224 8 average average JJ en-wikipedia-org-3892 224 9 stroke stroke NN en-wikipedia-org-3892 224 10 volume volume NN en-wikipedia-org-3892 224 11 of of IN en-wikipedia-org-3892 224 12 about about RB en-wikipedia-org-3892 224 13 70mL 70ml CD en-wikipedia-org-3892 224 14 , , , en-wikipedia-org-3892 224 15 is be VBZ en-wikipedia-org-3892 224 16 5.25 5.25 CD en-wikipedia-org-3892 224 17 L L NNP en-wikipedia-org-3892 224 18 / / SYM en-wikipedia-org-3892 224 19 min min NN en-wikipedia-org-3892 224 20 , , , en-wikipedia-org-3892 224 21 with with IN en-wikipedia-org-3892 224 22 a a DT en-wikipedia-org-3892 224 23 normal normal JJ en-wikipedia-org-3892 224 24 range range NN en-wikipedia-org-3892 224 25 of of IN en-wikipedia-org-3892 224 26 4.0–8.0 4.0–8.0 CD en-wikipedia-org-3892 224 27 L L NNP en-wikipedia-org-3892 224 28 / / SYM en-wikipedia-org-3892 224 29 min min NN en-wikipedia-org-3892 224 30 . . . en-wikipedia-org-3892 225 1 [ [ -LRB- en-wikipedia-org-3892 225 2 7 7 LS en-wikipedia-org-3892 225 3 ] ] -RRB- en-wikipedia-org-3892 225 4 The the DT en-wikipedia-org-3892 225 5 stroke stroke NN en-wikipedia-org-3892 225 6 volume volume NN en-wikipedia-org-3892 225 7 is be VBZ en-wikipedia-org-3892 225 8 normally normally RB en-wikipedia-org-3892 225 9 measured measure VBN en-wikipedia-org-3892 225 10 using use VBG en-wikipedia-org-3892 225 11 an an DT en-wikipedia-org-3892 225 12 echocardiogram echocardiogram NN en-wikipedia-org-3892 225 13 and and CC en-wikipedia-org-3892 225 14 can can MD en-wikipedia-org-3892 225 15 be be VB en-wikipedia-org-3892 225 16 influenced influence VBN en-wikipedia-org-3892 225 17 by by IN en-wikipedia-org-3892 225 18 the the DT en-wikipedia-org-3892 225 19 size size NN en-wikipedia-org-3892 225 20 of of IN en-wikipedia-org-3892 225 21 the the DT en-wikipedia-org-3892 225 22 heart heart NN en-wikipedia-org-3892 225 23 , , , en-wikipedia-org-3892 225 24 physical physical JJ en-wikipedia-org-3892 225 25 and and CC en-wikipedia-org-3892 225 26 mental mental JJ en-wikipedia-org-3892 225 27 condition condition NN en-wikipedia-org-3892 225 28 of of IN en-wikipedia-org-3892 225 29 the the DT en-wikipedia-org-3892 225 30 individual individual NN en-wikipedia-org-3892 225 31 , , , en-wikipedia-org-3892 225 32 sex sex NN en-wikipedia-org-3892 225 33 , , , en-wikipedia-org-3892 225 34 contractility contractility NN en-wikipedia-org-3892 225 35 , , , en-wikipedia-org-3892 225 36 duration duration NN en-wikipedia-org-3892 225 37 of of IN en-wikipedia-org-3892 225 38 contraction contraction NN en-wikipedia-org-3892 225 39 , , , en-wikipedia-org-3892 225 40 preload preload NN en-wikipedia-org-3892 225 41 and and CC en-wikipedia-org-3892 225 42 afterload afterload NN en-wikipedia-org-3892 225 43 . . . en-wikipedia-org-3892 226 1 [ [ -LRB- en-wikipedia-org-3892 226 2 7 7 CD en-wikipedia-org-3892 226 3 ] ] -RRB- en-wikipedia-org-3892 226 4 Preload Preload NNP en-wikipedia-org-3892 226 5 refers refer VBZ en-wikipedia-org-3892 226 6 to to IN en-wikipedia-org-3892 226 7 the the DT en-wikipedia-org-3892 226 8 filling filling NN en-wikipedia-org-3892 226 9 pressure pressure NN en-wikipedia-org-3892 226 10 of of IN en-wikipedia-org-3892 226 11 the the DT en-wikipedia-org-3892 226 12 atria atria NNP en-wikipedia-org-3892 226 13 at at IN en-wikipedia-org-3892 226 14 the the DT en-wikipedia-org-3892 226 15 end end NN en-wikipedia-org-3892 226 16 of of IN en-wikipedia-org-3892 226 17 diastole diastole NN en-wikipedia-org-3892 226 18 , , , en-wikipedia-org-3892 226 19 when when WRB en-wikipedia-org-3892 226 20 the the DT en-wikipedia-org-3892 226 21 ventricles ventricle NNS en-wikipedia-org-3892 226 22 are be VBP en-wikipedia-org-3892 226 23 at at IN en-wikipedia-org-3892 226 24 their -PRON- PRP$ en-wikipedia-org-3892 226 25 fullest full JJS en-wikipedia-org-3892 226 26 . . . en-wikipedia-org-3892 227 1 A a DT en-wikipedia-org-3892 227 2 main main JJ en-wikipedia-org-3892 227 3 factor factor NN en-wikipedia-org-3892 227 4 is be VBZ en-wikipedia-org-3892 227 5 how how WRB en-wikipedia-org-3892 227 6 long long JJ en-wikipedia-org-3892 227 7 it -PRON- PRP en-wikipedia-org-3892 227 8 takes take VBZ en-wikipedia-org-3892 227 9 the the DT en-wikipedia-org-3892 227 10 ventricles ventricle NNS en-wikipedia-org-3892 227 11 to to TO en-wikipedia-org-3892 227 12 fill fill VB en-wikipedia-org-3892 227 13 : : : en-wikipedia-org-3892 227 14 if if IN en-wikipedia-org-3892 227 15 the the DT en-wikipedia-org-3892 227 16 ventricles ventricle NNS en-wikipedia-org-3892 227 17 contract contract VBP en-wikipedia-org-3892 227 18 more more RBR en-wikipedia-org-3892 227 19 frequently frequently RB en-wikipedia-org-3892 227 20 , , , en-wikipedia-org-3892 227 21 then then RB en-wikipedia-org-3892 227 22 there there EX en-wikipedia-org-3892 227 23 is be VBZ en-wikipedia-org-3892 227 24 less less JJR en-wikipedia-org-3892 227 25 time time NN en-wikipedia-org-3892 227 26 to to TO en-wikipedia-org-3892 227 27 fill fill VB en-wikipedia-org-3892 227 28 and and CC en-wikipedia-org-3892 227 29 the the DT en-wikipedia-org-3892 227 30 preload preload NN en-wikipedia-org-3892 227 31 will will MD en-wikipedia-org-3892 227 32 be be VB en-wikipedia-org-3892 227 33 less less JJR en-wikipedia-org-3892 227 34 . . . en-wikipedia-org-3892 228 1 [ [ -LRB- en-wikipedia-org-3892 228 2 7 7 CD en-wikipedia-org-3892 228 3 ] ] -RRB- en-wikipedia-org-3892 228 4 Preload Preload NNP en-wikipedia-org-3892 228 5 can can MD en-wikipedia-org-3892 228 6 also also RB en-wikipedia-org-3892 228 7 be be VB en-wikipedia-org-3892 228 8 affected affect VBN en-wikipedia-org-3892 228 9 by by IN en-wikipedia-org-3892 228 10 a a DT en-wikipedia-org-3892 228 11 person person NN en-wikipedia-org-3892 228 12 's 's POS en-wikipedia-org-3892 228 13 blood blood NN en-wikipedia-org-3892 228 14 volume volume NN en-wikipedia-org-3892 228 15 . . . en-wikipedia-org-3892 229 1 The the DT en-wikipedia-org-3892 229 2 force force NN en-wikipedia-org-3892 229 3 of of IN en-wikipedia-org-3892 229 4 each each DT en-wikipedia-org-3892 229 5 contraction contraction NN en-wikipedia-org-3892 229 6 of of IN en-wikipedia-org-3892 229 7 the the DT en-wikipedia-org-3892 229 8 heart heart NN en-wikipedia-org-3892 229 9 muscle muscle NN en-wikipedia-org-3892 229 10 is be VBZ en-wikipedia-org-3892 229 11 proportional proportional JJ en-wikipedia-org-3892 229 12 to to IN en-wikipedia-org-3892 229 13 the the DT en-wikipedia-org-3892 229 14 preload preload NN en-wikipedia-org-3892 229 15 , , , en-wikipedia-org-3892 229 16 described describe VBN en-wikipedia-org-3892 229 17 as as IN en-wikipedia-org-3892 229 18 the the DT en-wikipedia-org-3892 229 19 Frank Frank NNP en-wikipedia-org-3892 229 20 - - HYPH en-wikipedia-org-3892 229 21 Starling Starling NNP en-wikipedia-org-3892 229 22 mechanism mechanism NN en-wikipedia-org-3892 229 23 . . . en-wikipedia-org-3892 230 1 This this DT en-wikipedia-org-3892 230 2 states state VBZ en-wikipedia-org-3892 230 3 that that IN en-wikipedia-org-3892 230 4 the the DT en-wikipedia-org-3892 230 5 force force NN en-wikipedia-org-3892 230 6 of of IN en-wikipedia-org-3892 230 7 contraction contraction NN en-wikipedia-org-3892 230 8 is be VBZ en-wikipedia-org-3892 230 9 directly directly RB en-wikipedia-org-3892 230 10 proportional proportional JJ en-wikipedia-org-3892 230 11 to to IN en-wikipedia-org-3892 230 12 the the DT en-wikipedia-org-3892 230 13 initial initial JJ en-wikipedia-org-3892 230 14 length length NN en-wikipedia-org-3892 230 15 of of IN en-wikipedia-org-3892 230 16 muscle muscle NN en-wikipedia-org-3892 230 17 fiber fiber NN en-wikipedia-org-3892 230 18 , , , en-wikipedia-org-3892 230 19 meaning mean VBG en-wikipedia-org-3892 230 20 a a DT en-wikipedia-org-3892 230 21 ventricle ventricle NN en-wikipedia-org-3892 230 22 will will MD en-wikipedia-org-3892 230 23 contract contract VB en-wikipedia-org-3892 230 24 more more RBR en-wikipedia-org-3892 230 25 forcefully forcefully RB en-wikipedia-org-3892 230 26 , , , en-wikipedia-org-3892 230 27 the the DT en-wikipedia-org-3892 230 28 more more JJR en-wikipedia-org-3892 230 29 it -PRON- PRP en-wikipedia-org-3892 230 30 is be VBZ en-wikipedia-org-3892 230 31 stretched stretch VBN en-wikipedia-org-3892 230 32 . . . en-wikipedia-org-3892 231 1 [ [ -LRB- en-wikipedia-org-3892 231 2 7][39 7][39 LS en-wikipedia-org-3892 231 3 ] ] -RRB- en-wikipedia-org-3892 231 4 Afterload afterload NN en-wikipedia-org-3892 231 5 , , , en-wikipedia-org-3892 231 6 or or CC en-wikipedia-org-3892 231 7 how how WRB en-wikipedia-org-3892 231 8 much much JJ en-wikipedia-org-3892 231 9 pressure pressure NN en-wikipedia-org-3892 231 10 the the DT en-wikipedia-org-3892 231 11 heart heart NN en-wikipedia-org-3892 231 12 must must MD en-wikipedia-org-3892 231 13 generate generate VB en-wikipedia-org-3892 231 14 to to TO en-wikipedia-org-3892 231 15 eject eject VB en-wikipedia-org-3892 231 16 blood blood NN en-wikipedia-org-3892 231 17 at at IN en-wikipedia-org-3892 231 18 systole systole NNP en-wikipedia-org-3892 231 19 , , , en-wikipedia-org-3892 231 20 is be VBZ en-wikipedia-org-3892 231 21 influenced influence VBN en-wikipedia-org-3892 231 22 by by IN en-wikipedia-org-3892 231 23 vascular vascular JJ en-wikipedia-org-3892 231 24 resistance resistance NN en-wikipedia-org-3892 231 25 . . . en-wikipedia-org-3892 232 1 It -PRON- PRP en-wikipedia-org-3892 232 2 can can MD en-wikipedia-org-3892 232 3 be be VB en-wikipedia-org-3892 232 4 influenced influence VBN en-wikipedia-org-3892 232 5 by by IN en-wikipedia-org-3892 232 6 narrowing narrow VBG en-wikipedia-org-3892 232 7 of of IN en-wikipedia-org-3892 232 8 the the DT en-wikipedia-org-3892 232 9 heart heart NN en-wikipedia-org-3892 232 10 valves valve NNS en-wikipedia-org-3892 232 11 ( ( -LRB- en-wikipedia-org-3892 232 12 stenosis stenosis NN en-wikipedia-org-3892 232 13 ) ) -RRB- en-wikipedia-org-3892 232 14 or or CC en-wikipedia-org-3892 232 15 contraction contraction NN en-wikipedia-org-3892 232 16 or or CC en-wikipedia-org-3892 232 17 relaxation relaxation NN en-wikipedia-org-3892 232 18 of of IN en-wikipedia-org-3892 232 19 the the DT en-wikipedia-org-3892 232 20 peripheral peripheral JJ en-wikipedia-org-3892 232 21 blood blood NN en-wikipedia-org-3892 232 22 vessels vessel NNS en-wikipedia-org-3892 232 23 . . . en-wikipedia-org-3892 233 1 [ [ -LRB- en-wikipedia-org-3892 233 2 7 7 LS en-wikipedia-org-3892 233 3 ] ] -RRB- en-wikipedia-org-3892 233 4 The the DT en-wikipedia-org-3892 233 5 strength strength NN en-wikipedia-org-3892 233 6 of of IN en-wikipedia-org-3892 233 7 heart heart NN en-wikipedia-org-3892 233 8 muscle muscle NN en-wikipedia-org-3892 233 9 contractions contraction NNS en-wikipedia-org-3892 233 10 controls control VBZ en-wikipedia-org-3892 233 11 the the DT en-wikipedia-org-3892 233 12 stroke stroke NN en-wikipedia-org-3892 233 13 volume volume NN en-wikipedia-org-3892 233 14 . . . en-wikipedia-org-3892 234 1 This this DT en-wikipedia-org-3892 234 2 can can MD en-wikipedia-org-3892 234 3 be be VB en-wikipedia-org-3892 234 4 influenced influence VBN en-wikipedia-org-3892 234 5 positively positively RB en-wikipedia-org-3892 234 6 or or CC en-wikipedia-org-3892 234 7 negatively negatively RB en-wikipedia-org-3892 234 8 by by IN en-wikipedia-org-3892 234 9 agents agent NNS en-wikipedia-org-3892 234 10 termed term VBN en-wikipedia-org-3892 234 11 inotropes inotrope NNS en-wikipedia-org-3892 234 12 . . . en-wikipedia-org-3892 235 1 [ [ -LRB- en-wikipedia-org-3892 235 2 40 40 CD en-wikipedia-org-3892 235 3 ] ] -RRB- en-wikipedia-org-3892 235 4 These these DT en-wikipedia-org-3892 235 5 agents agent NNS en-wikipedia-org-3892 235 6 can can MD en-wikipedia-org-3892 235 7 be be VB en-wikipedia-org-3892 235 8 a a DT en-wikipedia-org-3892 235 9 result result NN en-wikipedia-org-3892 235 10 of of IN en-wikipedia-org-3892 235 11 changes change NNS en-wikipedia-org-3892 235 12 within within IN en-wikipedia-org-3892 235 13 the the DT en-wikipedia-org-3892 235 14 body body NN en-wikipedia-org-3892 235 15 , , , en-wikipedia-org-3892 235 16 or or CC en-wikipedia-org-3892 235 17 be be VB en-wikipedia-org-3892 235 18 given give VBN en-wikipedia-org-3892 235 19 as as IN en-wikipedia-org-3892 235 20 drugs drug NNS en-wikipedia-org-3892 235 21 as as IN en-wikipedia-org-3892 235 22 part part NN en-wikipedia-org-3892 235 23 of of IN en-wikipedia-org-3892 235 24 treatment treatment NN en-wikipedia-org-3892 235 25 for for IN en-wikipedia-org-3892 235 26 a a DT en-wikipedia-org-3892 235 27 medical medical JJ en-wikipedia-org-3892 235 28 disorder disorder NN en-wikipedia-org-3892 235 29 , , , en-wikipedia-org-3892 235 30 or or CC en-wikipedia-org-3892 235 31 as as IN en-wikipedia-org-3892 235 32 a a DT en-wikipedia-org-3892 235 33 form form NN en-wikipedia-org-3892 235 34 of of IN en-wikipedia-org-3892 235 35 life life NN en-wikipedia-org-3892 235 36 support support NN en-wikipedia-org-3892 235 37 , , , en-wikipedia-org-3892 235 38 particularly particularly RB en-wikipedia-org-3892 235 39 in in IN en-wikipedia-org-3892 235 40 intensive intensive JJ en-wikipedia-org-3892 235 41 care care NN en-wikipedia-org-3892 235 42 units unit NNS en-wikipedia-org-3892 235 43 . . . en-wikipedia-org-3892 236 1 Inotropes inotrope NNS en-wikipedia-org-3892 236 2 that that WDT en-wikipedia-org-3892 236 3 increase increase VBP en-wikipedia-org-3892 236 4 the the DT en-wikipedia-org-3892 236 5 force force NN en-wikipedia-org-3892 236 6 of of IN en-wikipedia-org-3892 236 7 contraction contraction NN en-wikipedia-org-3892 236 8 are be VBP en-wikipedia-org-3892 236 9 " " `` en-wikipedia-org-3892 236 10 positive positive JJ en-wikipedia-org-3892 236 11 " " '' en-wikipedia-org-3892 236 12 inotropes inotrope NNS en-wikipedia-org-3892 236 13 , , , en-wikipedia-org-3892 236 14 and and CC en-wikipedia-org-3892 236 15 include include VBP en-wikipedia-org-3892 236 16 sympathetic sympathetic JJ en-wikipedia-org-3892 236 17 agents agent NNS en-wikipedia-org-3892 236 18 such such JJ en-wikipedia-org-3892 236 19 as as IN en-wikipedia-org-3892 236 20 adrenaline adrenaline NN en-wikipedia-org-3892 236 21 , , , en-wikipedia-org-3892 236 22 noradrenaline noradrenaline NN en-wikipedia-org-3892 236 23 and and CC en-wikipedia-org-3892 236 24 dopamine dopamine NN en-wikipedia-org-3892 236 25 . . . en-wikipedia-org-3892 237 1 [ [ -LRB- en-wikipedia-org-3892 237 2 41 41 CD en-wikipedia-org-3892 237 3 ] ] -RRB- en-wikipedia-org-3892 237 4 " " `` en-wikipedia-org-3892 237 5 Negative Negative NNP en-wikipedia-org-3892 237 6 " " '' en-wikipedia-org-3892 237 7 inotropes inotrope NNS en-wikipedia-org-3892 237 8 decrease decrease VBP en-wikipedia-org-3892 237 9 the the DT en-wikipedia-org-3892 237 10 force force NN en-wikipedia-org-3892 237 11 of of IN en-wikipedia-org-3892 237 12 contraction contraction NN en-wikipedia-org-3892 237 13 and and CC en-wikipedia-org-3892 237 14 include include VBP en-wikipedia-org-3892 237 15 calcium calcium NN en-wikipedia-org-3892 237 16 channel channel NNP en-wikipedia-org-3892 237 17 blockers blocker NNS en-wikipedia-org-3892 237 18 . . . en-wikipedia-org-3892 238 1 [ [ -LRB- en-wikipedia-org-3892 238 2 40 40 CD en-wikipedia-org-3892 238 3 ] ] -RRB- en-wikipedia-org-3892 238 4 Electrical electrical JJ en-wikipedia-org-3892 238 5 conduction conduction NN en-wikipedia-org-3892 238 6 Main main JJ en-wikipedia-org-3892 238 7 articles article NNS en-wikipedia-org-3892 238 8 : : : en-wikipedia-org-3892 238 9 Electrical electrical JJ en-wikipedia-org-3892 238 10 conduction conduction NN en-wikipedia-org-3892 238 11 system system NN en-wikipedia-org-3892 238 12 of of IN en-wikipedia-org-3892 238 13 the the DT en-wikipedia-org-3892 238 14 heart heart NN en-wikipedia-org-3892 238 15 and and CC en-wikipedia-org-3892 238 16 Heart heart NN en-wikipedia-org-3892 238 17 rate rate NN en-wikipedia-org-3892 238 18 Transmission transmission NN en-wikipedia-org-3892 238 19 of of IN en-wikipedia-org-3892 238 20 a a DT en-wikipedia-org-3892 238 21 cardiac cardiac JJ en-wikipedia-org-3892 238 22 action action NN en-wikipedia-org-3892 238 23 potential potential NN en-wikipedia-org-3892 238 24 through through IN en-wikipedia-org-3892 238 25 the the DT en-wikipedia-org-3892 238 26 heart heart NN en-wikipedia-org-3892 238 27 's 's POS en-wikipedia-org-3892 238 28 conduction conduction NN en-wikipedia-org-3892 238 29 system system NN en-wikipedia-org-3892 238 30 The the DT en-wikipedia-org-3892 238 31 normal normal JJ en-wikipedia-org-3892 238 32 rhythmical rhythmical JJ en-wikipedia-org-3892 238 33 heart heart NN en-wikipedia-org-3892 238 34 beat beat NN en-wikipedia-org-3892 238 35 , , , en-wikipedia-org-3892 238 36 called call VBD en-wikipedia-org-3892 238 37 sinus sinus NN en-wikipedia-org-3892 238 38 rhythm rhythm NN en-wikipedia-org-3892 238 39 , , , en-wikipedia-org-3892 238 40 is be VBZ en-wikipedia-org-3892 238 41 established establish VBN en-wikipedia-org-3892 238 42 by by IN en-wikipedia-org-3892 238 43 the the DT en-wikipedia-org-3892 238 44 heart heart NN en-wikipedia-org-3892 238 45 's 's POS en-wikipedia-org-3892 238 46 own own JJ en-wikipedia-org-3892 238 47 pacemaker pacemaker NN en-wikipedia-org-3892 238 48 , , , en-wikipedia-org-3892 238 49 the the DT en-wikipedia-org-3892 238 50 sinoatrial sinoatrial NNP en-wikipedia-org-3892 238 51 node node NNP en-wikipedia-org-3892 238 52 ( ( -LRB- en-wikipedia-org-3892 238 53 also also RB en-wikipedia-org-3892 238 54 known know VBN en-wikipedia-org-3892 238 55 as as IN en-wikipedia-org-3892 238 56 the the DT en-wikipedia-org-3892 238 57 sinus sinus NN en-wikipedia-org-3892 238 58 node node NN en-wikipedia-org-3892 238 59 or or CC en-wikipedia-org-3892 238 60 the the DT en-wikipedia-org-3892 238 61 SA SA NNP en-wikipedia-org-3892 238 62 node node NN en-wikipedia-org-3892 238 63 ) ) -RRB- en-wikipedia-org-3892 238 64 . . . en-wikipedia-org-3892 239 1 Here here RB en-wikipedia-org-3892 239 2 an an DT en-wikipedia-org-3892 239 3 electrical electrical JJ en-wikipedia-org-3892 239 4 signal signal NN en-wikipedia-org-3892 239 5 is be VBZ en-wikipedia-org-3892 239 6 created create VBN en-wikipedia-org-3892 239 7 that that WDT en-wikipedia-org-3892 239 8 travels travel VBZ en-wikipedia-org-3892 239 9 through through IN en-wikipedia-org-3892 239 10 the the DT en-wikipedia-org-3892 239 11 heart heart NN en-wikipedia-org-3892 239 12 , , , en-wikipedia-org-3892 239 13 causing cause VBG en-wikipedia-org-3892 239 14 the the DT en-wikipedia-org-3892 239 15 heart heart NN en-wikipedia-org-3892 239 16 muscle muscle NN en-wikipedia-org-3892 239 17 to to TO en-wikipedia-org-3892 239 18 contract contract VB en-wikipedia-org-3892 239 19 . . . en-wikipedia-org-3892 240 1 The the DT en-wikipedia-org-3892 240 2 sinoatrial sinoatrial JJ en-wikipedia-org-3892 240 3 node node NN en-wikipedia-org-3892 240 4 is be VBZ en-wikipedia-org-3892 240 5 found find VBN en-wikipedia-org-3892 240 6 in in IN en-wikipedia-org-3892 240 7 the the DT en-wikipedia-org-3892 240 8 upper upper JJ en-wikipedia-org-3892 240 9 part part NN en-wikipedia-org-3892 240 10 of of IN en-wikipedia-org-3892 240 11 the the DT en-wikipedia-org-3892 240 12 right right NN en-wikipedia-org-3892 240 13 atrium atrium NN en-wikipedia-org-3892 240 14 near near RB en-wikipedia-org-3892 240 15 to to IN en-wikipedia-org-3892 240 16 the the DT en-wikipedia-org-3892 240 17 junction junction NN en-wikipedia-org-3892 240 18 with with IN en-wikipedia-org-3892 240 19 the the DT en-wikipedia-org-3892 240 20 superior superior JJ en-wikipedia-org-3892 240 21 vena vena NN en-wikipedia-org-3892 240 22 cava cava NN en-wikipedia-org-3892 240 23 . . . en-wikipedia-org-3892 241 1 [ [ -LRB- en-wikipedia-org-3892 241 2 42 42 CD en-wikipedia-org-3892 241 3 ] ] -RRB- en-wikipedia-org-3892 241 4 The the DT en-wikipedia-org-3892 241 5 electrical electrical JJ en-wikipedia-org-3892 241 6 signal signal NN en-wikipedia-org-3892 241 7 generated generate VBN en-wikipedia-org-3892 241 8 by by IN en-wikipedia-org-3892 241 9 the the DT en-wikipedia-org-3892 241 10 sinoatrial sinoatrial NNP en-wikipedia-org-3892 241 11 node node NN en-wikipedia-org-3892 241 12 travels travel VBZ en-wikipedia-org-3892 241 13 through through IN en-wikipedia-org-3892 241 14 the the DT en-wikipedia-org-3892 241 15 right right JJ en-wikipedia-org-3892 241 16 atrium atrium NN en-wikipedia-org-3892 241 17 in in IN en-wikipedia-org-3892 241 18 a a DT en-wikipedia-org-3892 241 19 radial radial JJ en-wikipedia-org-3892 241 20 way way NN en-wikipedia-org-3892 241 21 that that WDT en-wikipedia-org-3892 241 22 is be VBZ en-wikipedia-org-3892 241 23 not not RB en-wikipedia-org-3892 241 24 completely completely RB en-wikipedia-org-3892 241 25 understood understand VBN en-wikipedia-org-3892 241 26 . . . en-wikipedia-org-3892 242 1 It -PRON- PRP en-wikipedia-org-3892 242 2 travels travel VBZ en-wikipedia-org-3892 242 3 to to IN en-wikipedia-org-3892 242 4 the the DT en-wikipedia-org-3892 242 5 left left JJ en-wikipedia-org-3892 242 6 atrium atrium NN en-wikipedia-org-3892 242 7 via via IN en-wikipedia-org-3892 242 8 Bachmann Bachmann NNP en-wikipedia-org-3892 242 9 's 's POS en-wikipedia-org-3892 242 10 bundle bundle NN en-wikipedia-org-3892 242 11 , , , en-wikipedia-org-3892 242 12 such such JJ en-wikipedia-org-3892 242 13 that that IN en-wikipedia-org-3892 242 14 the the DT en-wikipedia-org-3892 242 15 muscles muscle NNS en-wikipedia-org-3892 242 16 of of IN en-wikipedia-org-3892 242 17 the the DT en-wikipedia-org-3892 242 18 left left NN en-wikipedia-org-3892 242 19 and and CC en-wikipedia-org-3892 242 20 right right JJ en-wikipedia-org-3892 242 21 atria atria NNP en-wikipedia-org-3892 242 22 contract contract NN en-wikipedia-org-3892 242 23 together together RB en-wikipedia-org-3892 242 24 . . . en-wikipedia-org-3892 243 1 [ [ -LRB- en-wikipedia-org-3892 243 2 43][44][45 43][44][45 CD en-wikipedia-org-3892 243 3 ] ] -RRB- en-wikipedia-org-3892 243 4 The the DT en-wikipedia-org-3892 243 5 signal signal NN en-wikipedia-org-3892 243 6 then then RB en-wikipedia-org-3892 243 7 travels travel VBZ en-wikipedia-org-3892 243 8 to to IN en-wikipedia-org-3892 243 9 the the DT en-wikipedia-org-3892 243 10 atrioventricular atrioventricular JJ en-wikipedia-org-3892 243 11 node node NN en-wikipedia-org-3892 243 12 . . . en-wikipedia-org-3892 244 1 This this DT en-wikipedia-org-3892 244 2 is be VBZ en-wikipedia-org-3892 244 3 found find VBN en-wikipedia-org-3892 244 4 at at IN en-wikipedia-org-3892 244 5 the the DT en-wikipedia-org-3892 244 6 bottom bottom NN en-wikipedia-org-3892 244 7 of of IN en-wikipedia-org-3892 244 8 the the DT en-wikipedia-org-3892 244 9 right right JJ en-wikipedia-org-3892 244 10 atrium atrium NN en-wikipedia-org-3892 244 11 in in IN en-wikipedia-org-3892 244 12 the the DT en-wikipedia-org-3892 244 13 atrioventricular atrioventricular JJ en-wikipedia-org-3892 244 14 septum septum NN en-wikipedia-org-3892 244 15 — — : en-wikipedia-org-3892 244 16 the the DT en-wikipedia-org-3892 244 17 boundary boundary JJ en-wikipedia-org-3892 244 18 between between IN en-wikipedia-org-3892 244 19 the the DT en-wikipedia-org-3892 244 20 right right JJ en-wikipedia-org-3892 244 21 atrium atrium NN en-wikipedia-org-3892 244 22 and and CC en-wikipedia-org-3892 244 23 the the DT en-wikipedia-org-3892 244 24 left left JJ en-wikipedia-org-3892 244 25 ventricle ventricle NN en-wikipedia-org-3892 244 26 . . . en-wikipedia-org-3892 245 1 The the DT en-wikipedia-org-3892 245 2 septum septum NN en-wikipedia-org-3892 245 3 is be VBZ en-wikipedia-org-3892 245 4 part part NN en-wikipedia-org-3892 245 5 of of IN en-wikipedia-org-3892 245 6 the the DT en-wikipedia-org-3892 245 7 cardiac cardiac JJ en-wikipedia-org-3892 245 8 skeleton skeleton NN en-wikipedia-org-3892 245 9 , , , en-wikipedia-org-3892 245 10 tissue tissue NN en-wikipedia-org-3892 245 11 within within IN en-wikipedia-org-3892 245 12 the the DT en-wikipedia-org-3892 245 13 heart heart NN en-wikipedia-org-3892 245 14 that that IN en-wikipedia-org-3892 245 15 the the DT en-wikipedia-org-3892 245 16 electrical electrical JJ en-wikipedia-org-3892 245 17 signal signal NN en-wikipedia-org-3892 245 18 can can MD en-wikipedia-org-3892 245 19 not not RB en-wikipedia-org-3892 245 20 pass pass VB en-wikipedia-org-3892 245 21 through through RB en-wikipedia-org-3892 245 22 , , , en-wikipedia-org-3892 245 23 which which WDT en-wikipedia-org-3892 245 24 forces force VBZ en-wikipedia-org-3892 245 25 the the DT en-wikipedia-org-3892 245 26 signal signal NN en-wikipedia-org-3892 245 27 to to TO en-wikipedia-org-3892 245 28 pass pass VB en-wikipedia-org-3892 245 29 through through RP en-wikipedia-org-3892 245 30 the the DT en-wikipedia-org-3892 245 31 atrioventricular atrioventricular JJ en-wikipedia-org-3892 245 32 node node NN en-wikipedia-org-3892 245 33 only only RB en-wikipedia-org-3892 245 34 . . . en-wikipedia-org-3892 246 1 [ [ -LRB- en-wikipedia-org-3892 246 2 7 7 LS en-wikipedia-org-3892 246 3 ] ] -RRB- en-wikipedia-org-3892 246 4 The the DT en-wikipedia-org-3892 246 5 signal signal NN en-wikipedia-org-3892 246 6 then then RB en-wikipedia-org-3892 246 7 travels travel VBZ en-wikipedia-org-3892 246 8 along along IN en-wikipedia-org-3892 246 9 the the DT en-wikipedia-org-3892 246 10 bundle bundle NN en-wikipedia-org-3892 246 11 of of IN en-wikipedia-org-3892 246 12 His -PRON- PRP$ en-wikipedia-org-3892 246 13 to to IN en-wikipedia-org-3892 246 14 left left NN en-wikipedia-org-3892 246 15 and and CC en-wikipedia-org-3892 246 16 right right JJ en-wikipedia-org-3892 246 17 bundle bundle NN en-wikipedia-org-3892 246 18 branches branch NNS en-wikipedia-org-3892 246 19 through through RP en-wikipedia-org-3892 246 20 to to IN en-wikipedia-org-3892 246 21 the the DT en-wikipedia-org-3892 246 22 ventricles ventricle NNS en-wikipedia-org-3892 246 23 of of IN en-wikipedia-org-3892 246 24 the the DT en-wikipedia-org-3892 246 25 heart heart NN en-wikipedia-org-3892 246 26 . . . en-wikipedia-org-3892 247 1 In in IN en-wikipedia-org-3892 247 2 the the DT en-wikipedia-org-3892 247 3 ventricles ventricle NNS en-wikipedia-org-3892 247 4 the the DT en-wikipedia-org-3892 247 5 signal signal NN en-wikipedia-org-3892 247 6 is be VBZ en-wikipedia-org-3892 247 7 carried carry VBN en-wikipedia-org-3892 247 8 by by IN en-wikipedia-org-3892 247 9 specialized specialized JJ en-wikipedia-org-3892 247 10 tissue tissue NN en-wikipedia-org-3892 247 11 called call VBD en-wikipedia-org-3892 247 12 the the DT en-wikipedia-org-3892 247 13 Purkinje purkinje JJ en-wikipedia-org-3892 247 14 fibers fiber NNS en-wikipedia-org-3892 247 15 which which WDT en-wikipedia-org-3892 247 16 then then RB en-wikipedia-org-3892 247 17 transmit transmit VBP en-wikipedia-org-3892 247 18 the the DT en-wikipedia-org-3892 247 19 electric electric JJ en-wikipedia-org-3892 247 20 charge charge NN en-wikipedia-org-3892 247 21 to to IN en-wikipedia-org-3892 247 22 the the DT en-wikipedia-org-3892 247 23 heart heart NN en-wikipedia-org-3892 247 24 muscle muscle NN en-wikipedia-org-3892 247 25 . . . en-wikipedia-org-3892 248 1 [ [ -LRB- en-wikipedia-org-3892 248 2 46 46 CD en-wikipedia-org-3892 248 3 ] ] -RRB- en-wikipedia-org-3892 248 4 Conduction conduction NN en-wikipedia-org-3892 248 5 system system NN en-wikipedia-org-3892 248 6 of of IN en-wikipedia-org-3892 248 7 the the DT en-wikipedia-org-3892 248 8 heart heart NN en-wikipedia-org-3892 248 9 Heart heart NN en-wikipedia-org-3892 248 10 rate rate NN en-wikipedia-org-3892 248 11 Main main JJ en-wikipedia-org-3892 248 12 article article NN en-wikipedia-org-3892 248 13 : : : en-wikipedia-org-3892 248 14 Heart heart NN en-wikipedia-org-3892 248 15 rate rate NN en-wikipedia-org-3892 248 16 Auscultation auscultation NN en-wikipedia-org-3892 248 17 of of IN en-wikipedia-org-3892 248 18 student student NN en-wikipedia-org-3892 248 19 's 's POS en-wikipedia-org-3892 248 20 racing race VBG en-wikipedia-org-3892 248 21 heart heart NN en-wikipedia-org-3892 248 22 after after IN en-wikipedia-org-3892 248 23 exercise exercise NN en-wikipedia-org-3892 248 24 . . . en-wikipedia-org-3892 249 1 Recorded record VBN en-wikipedia-org-3892 249 2 heart heart NN en-wikipedia-org-3892 249 3 sounds sound VBZ en-wikipedia-org-3892 249 4 of of IN en-wikipedia-org-3892 249 5 a a DT en-wikipedia-org-3892 249 6 15-year 15-year CD en-wikipedia-org-3892 249 7 - - HYPH en-wikipedia-org-3892 249 8 old old JJ en-wikipedia-org-3892 249 9 girl girl NN en-wikipedia-org-3892 249 10 immediately immediately RB en-wikipedia-org-3892 249 11 after after IN en-wikipedia-org-3892 249 12 running run VBG en-wikipedia-org-3892 249 13 , , , en-wikipedia-org-3892 249 14 and and CC en-wikipedia-org-3892 249 15 the the DT en-wikipedia-org-3892 249 16 following follow VBG en-wikipedia-org-3892 249 17 recovery recovery NN en-wikipedia-org-3892 249 18 of of IN en-wikipedia-org-3892 249 19 heart heart NN en-wikipedia-org-3892 249 20 rate rate NN en-wikipedia-org-3892 249 21 . . . en-wikipedia-org-3892 250 1 Problems problem NNS en-wikipedia-org-3892 250 2 playing play VBG en-wikipedia-org-3892 250 3 this this DT en-wikipedia-org-3892 250 4 file file NN en-wikipedia-org-3892 250 5 ? ? . en-wikipedia-org-3892 251 1 See see VB en-wikipedia-org-3892 251 2 media medium NNS en-wikipedia-org-3892 251 3 help help NN en-wikipedia-org-3892 251 4 . . . en-wikipedia-org-3892 252 1 The the DT en-wikipedia-org-3892 252 2 prepotential prepotential NN en-wikipedia-org-3892 252 3 is be VBZ en-wikipedia-org-3892 252 4 due due JJ en-wikipedia-org-3892 252 5 to to IN en-wikipedia-org-3892 252 6 a a DT en-wikipedia-org-3892 252 7 slow slow JJ en-wikipedia-org-3892 252 8 influx influx NN en-wikipedia-org-3892 252 9 of of IN en-wikipedia-org-3892 252 10 sodium sodium NN en-wikipedia-org-3892 252 11 ions ion NNS en-wikipedia-org-3892 252 12 until until IN en-wikipedia-org-3892 252 13 the the DT en-wikipedia-org-3892 252 14 threshold threshold NN en-wikipedia-org-3892 252 15 is be VBZ en-wikipedia-org-3892 252 16 reached reach VBN en-wikipedia-org-3892 252 17 followed follow VBN en-wikipedia-org-3892 252 18 by by IN en-wikipedia-org-3892 252 19 a a DT en-wikipedia-org-3892 252 20 rapid rapid JJ en-wikipedia-org-3892 252 21 depolarization depolarization NN en-wikipedia-org-3892 252 22 and and CC en-wikipedia-org-3892 252 23 repolarization repolarization NN en-wikipedia-org-3892 252 24 . . . en-wikipedia-org-3892 253 1 The the DT en-wikipedia-org-3892 253 2 prepotential prepotential JJ en-wikipedia-org-3892 253 3 accounts account VBZ en-wikipedia-org-3892 253 4 for for IN en-wikipedia-org-3892 253 5 the the DT en-wikipedia-org-3892 253 6 membrane membrane NN en-wikipedia-org-3892 253 7 reaching reach VBG en-wikipedia-org-3892 253 8 threshold threshold NN en-wikipedia-org-3892 253 9 and and CC en-wikipedia-org-3892 253 10 initiates initiate VBZ en-wikipedia-org-3892 253 11 the the DT en-wikipedia-org-3892 253 12 spontaneous spontaneous JJ en-wikipedia-org-3892 253 13 depolarization depolarization NN en-wikipedia-org-3892 253 14 and and CC en-wikipedia-org-3892 253 15 contraction contraction NN en-wikipedia-org-3892 253 16 of of IN en-wikipedia-org-3892 253 17 the the DT en-wikipedia-org-3892 253 18 cell cell NN en-wikipedia-org-3892 253 19 ; ; : en-wikipedia-org-3892 253 20 there there EX en-wikipedia-org-3892 253 21 is be VBZ en-wikipedia-org-3892 253 22 no no DT en-wikipedia-org-3892 253 23 resting rest VBG en-wikipedia-org-3892 253 24 potential potential NN en-wikipedia-org-3892 253 25 . . . en-wikipedia-org-3892 254 1 [ [ -LRB- en-wikipedia-org-3892 254 2 7 7 LS en-wikipedia-org-3892 254 3 ] ] -RRB- en-wikipedia-org-3892 254 4 The the DT en-wikipedia-org-3892 254 5 normal normal JJ en-wikipedia-org-3892 254 6 resting rest VBG en-wikipedia-org-3892 254 7 heart heart NN en-wikipedia-org-3892 254 8 rate rate NN en-wikipedia-org-3892 254 9 is be VBZ en-wikipedia-org-3892 254 10 called call VBN en-wikipedia-org-3892 254 11 the the DT en-wikipedia-org-3892 254 12 sinus sinus NN en-wikipedia-org-3892 254 13 rhythm rhythm NN en-wikipedia-org-3892 254 14 , , , en-wikipedia-org-3892 254 15 created create VBN en-wikipedia-org-3892 254 16 and and CC en-wikipedia-org-3892 254 17 sustained sustain VBN en-wikipedia-org-3892 254 18 by by IN en-wikipedia-org-3892 254 19 the the DT en-wikipedia-org-3892 254 20 sinoatrial sinoatrial NNP en-wikipedia-org-3892 254 21 node node NNP en-wikipedia-org-3892 254 22 , , , en-wikipedia-org-3892 254 23 a a DT en-wikipedia-org-3892 254 24 group group NN en-wikipedia-org-3892 254 25 of of IN en-wikipedia-org-3892 254 26 pacemaking pacemake VBG en-wikipedia-org-3892 254 27 cells cell NNS en-wikipedia-org-3892 254 28 found find VBN en-wikipedia-org-3892 254 29 in in IN en-wikipedia-org-3892 254 30 the the DT en-wikipedia-org-3892 254 31 wall wall NN en-wikipedia-org-3892 254 32 of of IN en-wikipedia-org-3892 254 33 the the DT en-wikipedia-org-3892 254 34 right right NN en-wikipedia-org-3892 254 35 atrium atrium NN en-wikipedia-org-3892 254 36 . . . en-wikipedia-org-3892 255 1 Cells cell NNS en-wikipedia-org-3892 255 2 in in IN en-wikipedia-org-3892 255 3 the the DT en-wikipedia-org-3892 255 4 sinoatrial sinoatrial JJ en-wikipedia-org-3892 255 5 node node NN en-wikipedia-org-3892 255 6 do do VBP en-wikipedia-org-3892 255 7 this this DT en-wikipedia-org-3892 255 8 by by IN en-wikipedia-org-3892 255 9 creating create VBG en-wikipedia-org-3892 255 10 an an DT en-wikipedia-org-3892 255 11 action action NN en-wikipedia-org-3892 255 12 potential potential NN en-wikipedia-org-3892 255 13 . . . en-wikipedia-org-3892 256 1 The the DT en-wikipedia-org-3892 256 2 cardiac cardiac JJ en-wikipedia-org-3892 256 3 action action NN en-wikipedia-org-3892 256 4 potential potential NN en-wikipedia-org-3892 256 5 is be VBZ en-wikipedia-org-3892 256 6 created create VBN en-wikipedia-org-3892 256 7 by by IN en-wikipedia-org-3892 256 8 the the DT en-wikipedia-org-3892 256 9 movement movement NN en-wikipedia-org-3892 256 10 of of IN en-wikipedia-org-3892 256 11 specific specific JJ en-wikipedia-org-3892 256 12 electrolytes electrolyte NNS en-wikipedia-org-3892 256 13 into into IN en-wikipedia-org-3892 256 14 and and CC en-wikipedia-org-3892 256 15 out out IN en-wikipedia-org-3892 256 16 of of IN en-wikipedia-org-3892 256 17 the the DT en-wikipedia-org-3892 256 18 pacemaker pacemaker NN en-wikipedia-org-3892 256 19 cells cell NNS en-wikipedia-org-3892 256 20 . . . en-wikipedia-org-3892 257 1 The the DT en-wikipedia-org-3892 257 2 action action NN en-wikipedia-org-3892 257 3 potential potential NN en-wikipedia-org-3892 257 4 then then RB en-wikipedia-org-3892 257 5 spreads spread VBZ en-wikipedia-org-3892 257 6 to to IN en-wikipedia-org-3892 257 7 nearby nearby JJ en-wikipedia-org-3892 257 8 cells cell NNS en-wikipedia-org-3892 257 9 . . . en-wikipedia-org-3892 258 1 [ [ -LRB- en-wikipedia-org-3892 258 2 47 47 CD en-wikipedia-org-3892 258 3 ] ] -RRB- en-wikipedia-org-3892 258 4 When when WRB en-wikipedia-org-3892 258 5 the the DT en-wikipedia-org-3892 258 6 sinoatrial sinoatrial JJ en-wikipedia-org-3892 258 7 cells cell NNS en-wikipedia-org-3892 258 8 are be VBP en-wikipedia-org-3892 258 9 resting rest VBG en-wikipedia-org-3892 258 10 , , , en-wikipedia-org-3892 258 11 they -PRON- PRP en-wikipedia-org-3892 258 12 have have VBP en-wikipedia-org-3892 258 13 a a DT en-wikipedia-org-3892 258 14 negative negative JJ en-wikipedia-org-3892 258 15 charge charge NN en-wikipedia-org-3892 258 16 on on IN en-wikipedia-org-3892 258 17 their -PRON- PRP$ en-wikipedia-org-3892 258 18 membranes membrane NNS en-wikipedia-org-3892 258 19 . . . en-wikipedia-org-3892 259 1 However however RB en-wikipedia-org-3892 259 2 a a DT en-wikipedia-org-3892 259 3 rapid rapid JJ en-wikipedia-org-3892 259 4 influx influx NN en-wikipedia-org-3892 259 5 of of IN en-wikipedia-org-3892 259 6 sodium sodium NN en-wikipedia-org-3892 259 7 ions ion NNS en-wikipedia-org-3892 259 8 causes cause VBZ en-wikipedia-org-3892 259 9 the the DT en-wikipedia-org-3892 259 10 membrane membrane NN en-wikipedia-org-3892 259 11 's 's POS en-wikipedia-org-3892 259 12 charge charge NN en-wikipedia-org-3892 259 13 to to TO en-wikipedia-org-3892 259 14 become become VB en-wikipedia-org-3892 259 15 positive positive JJ en-wikipedia-org-3892 259 16 . . . en-wikipedia-org-3892 260 1 This this DT en-wikipedia-org-3892 260 2 is be VBZ en-wikipedia-org-3892 260 3 called call VBN en-wikipedia-org-3892 260 4 depolarisation depolarisation NN en-wikipedia-org-3892 260 5 and and CC en-wikipedia-org-3892 260 6 occurs occur VBZ en-wikipedia-org-3892 260 7 spontaneously spontaneously RB en-wikipedia-org-3892 260 8 . . . en-wikipedia-org-3892 261 1 [ [ -LRB- en-wikipedia-org-3892 261 2 7 7 CD en-wikipedia-org-3892 261 3 ] ] -RRB- en-wikipedia-org-3892 261 4 Once once IN en-wikipedia-org-3892 261 5 the the DT en-wikipedia-org-3892 261 6 cell cell NN en-wikipedia-org-3892 261 7 has have VBZ en-wikipedia-org-3892 261 8 a a DT en-wikipedia-org-3892 261 9 sufficiently sufficiently RB en-wikipedia-org-3892 261 10 high high JJ en-wikipedia-org-3892 261 11 charge charge NN en-wikipedia-org-3892 261 12 , , , en-wikipedia-org-3892 261 13 the the DT en-wikipedia-org-3892 261 14 sodium sodium NN en-wikipedia-org-3892 261 15 channels channel NNS en-wikipedia-org-3892 261 16 close close JJ en-wikipedia-org-3892 261 17 and and CC en-wikipedia-org-3892 261 18 calcium calcium NN en-wikipedia-org-3892 261 19 ions ion NNS en-wikipedia-org-3892 261 20 then then RB en-wikipedia-org-3892 261 21 begin begin VBP en-wikipedia-org-3892 261 22 to to TO en-wikipedia-org-3892 261 23 enter enter VB en-wikipedia-org-3892 261 24 the the DT en-wikipedia-org-3892 261 25 cell cell NN en-wikipedia-org-3892 261 26 , , , en-wikipedia-org-3892 261 27 shortly shortly RB en-wikipedia-org-3892 261 28 after after IN en-wikipedia-org-3892 261 29 which which WDT en-wikipedia-org-3892 261 30 potassium potassium NN en-wikipedia-org-3892 261 31 begins begin VBZ en-wikipedia-org-3892 261 32 to to TO en-wikipedia-org-3892 261 33 leave leave VB en-wikipedia-org-3892 261 34 it -PRON- PRP en-wikipedia-org-3892 261 35 . . . en-wikipedia-org-3892 262 1 All all PDT en-wikipedia-org-3892 262 2 the the DT en-wikipedia-org-3892 262 3 ions ion NNS en-wikipedia-org-3892 262 4 travel travel VBP en-wikipedia-org-3892 262 5 through through IN en-wikipedia-org-3892 262 6 ion ion NN en-wikipedia-org-3892 262 7 channels channel NNS en-wikipedia-org-3892 262 8 in in IN en-wikipedia-org-3892 262 9 the the DT en-wikipedia-org-3892 262 10 membrane membrane NN en-wikipedia-org-3892 262 11 of of IN en-wikipedia-org-3892 262 12 the the DT en-wikipedia-org-3892 262 13 sinoatrial sinoatrial JJ en-wikipedia-org-3892 262 14 cells cell NNS en-wikipedia-org-3892 262 15 . . . en-wikipedia-org-3892 263 1 The the DT en-wikipedia-org-3892 263 2 potassium potassium NN en-wikipedia-org-3892 263 3 and and CC en-wikipedia-org-3892 263 4 calcium calcium NN en-wikipedia-org-3892 263 5 start start VBP en-wikipedia-org-3892 263 6 to to TO en-wikipedia-org-3892 263 7 move move VB en-wikipedia-org-3892 263 8 out out IN en-wikipedia-org-3892 263 9 of of IN en-wikipedia-org-3892 263 10 and and CC en-wikipedia-org-3892 263 11 into into IN en-wikipedia-org-3892 263 12 the the DT en-wikipedia-org-3892 263 13 cell cell NN en-wikipedia-org-3892 263 14 only only RB en-wikipedia-org-3892 263 15 once once IN en-wikipedia-org-3892 263 16 it -PRON- PRP en-wikipedia-org-3892 263 17 has have VBZ en-wikipedia-org-3892 263 18 a a DT en-wikipedia-org-3892 263 19 sufficiently sufficiently RB en-wikipedia-org-3892 263 20 high high JJ en-wikipedia-org-3892 263 21 charge charge NN en-wikipedia-org-3892 263 22 , , , en-wikipedia-org-3892 263 23 and and CC en-wikipedia-org-3892 263 24 so so RB en-wikipedia-org-3892 263 25 are be VBP en-wikipedia-org-3892 263 26 called call VBN en-wikipedia-org-3892 263 27 voltage voltage NN en-wikipedia-org-3892 263 28 - - HYPH en-wikipedia-org-3892 263 29 gated gate VBN en-wikipedia-org-3892 263 30 . . . en-wikipedia-org-3892 264 1 Shortly shortly RB en-wikipedia-org-3892 264 2 after after IN en-wikipedia-org-3892 264 3 this this DT en-wikipedia-org-3892 264 4 , , , en-wikipedia-org-3892 264 5 the the DT en-wikipedia-org-3892 264 6 calcium calcium NN en-wikipedia-org-3892 264 7 channels channel NNS en-wikipedia-org-3892 264 8 close close JJ en-wikipedia-org-3892 264 9 and and CC en-wikipedia-org-3892 264 10 potassium potassium NN en-wikipedia-org-3892 264 11 channels channel NNS en-wikipedia-org-3892 264 12 open open JJ en-wikipedia-org-3892 264 13 , , , en-wikipedia-org-3892 264 14 allowing allow VBG en-wikipedia-org-3892 264 15 potassium potassium NN en-wikipedia-org-3892 264 16 to to TO en-wikipedia-org-3892 264 17 leave leave VB en-wikipedia-org-3892 264 18 the the DT en-wikipedia-org-3892 264 19 cell cell NN en-wikipedia-org-3892 264 20 . . . en-wikipedia-org-3892 265 1 This this DT en-wikipedia-org-3892 265 2 causes cause VBZ en-wikipedia-org-3892 265 3 the the DT en-wikipedia-org-3892 265 4 cell cell NN en-wikipedia-org-3892 265 5 to to TO en-wikipedia-org-3892 265 6 have have VB en-wikipedia-org-3892 265 7 a a DT en-wikipedia-org-3892 265 8 negative negative JJ en-wikipedia-org-3892 265 9 resting resting NN en-wikipedia-org-3892 265 10 charge charge NN en-wikipedia-org-3892 265 11 and and CC en-wikipedia-org-3892 265 12 is be VBZ en-wikipedia-org-3892 265 13 called call VBN en-wikipedia-org-3892 265 14 repolarization repolarization NN en-wikipedia-org-3892 265 15 . . . en-wikipedia-org-3892 266 1 When when WRB en-wikipedia-org-3892 266 2 the the DT en-wikipedia-org-3892 266 3 membrane membrane NN en-wikipedia-org-3892 266 4 potential potential NN en-wikipedia-org-3892 266 5 reaches reach VBZ en-wikipedia-org-3892 266 6 approximately approximately RB en-wikipedia-org-3892 266 7 −60 −60 NNP en-wikipedia-org-3892 266 8 mV mV NNP en-wikipedia-org-3892 266 9 , , , en-wikipedia-org-3892 266 10 the the DT en-wikipedia-org-3892 266 11 potassium potassium NN en-wikipedia-org-3892 266 12 channels channel VBZ en-wikipedia-org-3892 266 13 close close JJ en-wikipedia-org-3892 266 14 and and CC en-wikipedia-org-3892 266 15 the the DT en-wikipedia-org-3892 266 16 process process NN en-wikipedia-org-3892 266 17 may may MD en-wikipedia-org-3892 266 18 begin begin VB en-wikipedia-org-3892 266 19 again again RB en-wikipedia-org-3892 266 20 . . . en-wikipedia-org-3892 267 1 [ [ -LRB- en-wikipedia-org-3892 267 2 7 7 LS en-wikipedia-org-3892 267 3 ] ] -RRB- en-wikipedia-org-3892 267 4 The the DT en-wikipedia-org-3892 267 5 ions ion NNS en-wikipedia-org-3892 267 6 move move VBP en-wikipedia-org-3892 267 7 from from IN en-wikipedia-org-3892 267 8 areas area NNS en-wikipedia-org-3892 267 9 where where WRB en-wikipedia-org-3892 267 10 they -PRON- PRP en-wikipedia-org-3892 267 11 are be VBP en-wikipedia-org-3892 267 12 concentrated concentrated JJ en-wikipedia-org-3892 267 13 to to IN en-wikipedia-org-3892 267 14 where where WRB en-wikipedia-org-3892 267 15 they -PRON- PRP en-wikipedia-org-3892 267 16 are be VBP en-wikipedia-org-3892 267 17 not not RB en-wikipedia-org-3892 267 18 . . . en-wikipedia-org-3892 268 1 For for IN en-wikipedia-org-3892 268 2 this this DT en-wikipedia-org-3892 268 3 reason reason NN en-wikipedia-org-3892 268 4 sodium sodium NN en-wikipedia-org-3892 268 5 moves move VBZ en-wikipedia-org-3892 268 6 into into IN en-wikipedia-org-3892 268 7 the the DT en-wikipedia-org-3892 268 8 cell cell NN en-wikipedia-org-3892 268 9 from from IN en-wikipedia-org-3892 268 10 outside outside RB en-wikipedia-org-3892 268 11 , , , en-wikipedia-org-3892 268 12 and and CC en-wikipedia-org-3892 268 13 potassium potassium NN en-wikipedia-org-3892 268 14 moves move NNS en-wikipedia-org-3892 268 15 from from IN en-wikipedia-org-3892 268 16 within within IN en-wikipedia-org-3892 268 17 the the DT en-wikipedia-org-3892 268 18 cell cell NN en-wikipedia-org-3892 268 19 to to IN en-wikipedia-org-3892 268 20 outside outside IN en-wikipedia-org-3892 268 21 the the DT en-wikipedia-org-3892 268 22 cell cell NN en-wikipedia-org-3892 268 23 . . . en-wikipedia-org-3892 269 1 Calcium Calcium NNP en-wikipedia-org-3892 269 2 also also RB en-wikipedia-org-3892 269 3 plays play VBZ en-wikipedia-org-3892 269 4 a a DT en-wikipedia-org-3892 269 5 critical critical JJ en-wikipedia-org-3892 269 6 role role NN en-wikipedia-org-3892 269 7 . . . en-wikipedia-org-3892 270 1 Their -PRON- PRP$ en-wikipedia-org-3892 270 2 influx influx NN en-wikipedia-org-3892 270 3 through through IN en-wikipedia-org-3892 270 4 slow slow JJ en-wikipedia-org-3892 270 5 channels channel NNS en-wikipedia-org-3892 270 6 means mean VBZ en-wikipedia-org-3892 270 7 that that IN en-wikipedia-org-3892 270 8 the the DT en-wikipedia-org-3892 270 9 sinoatrial sinoatrial JJ en-wikipedia-org-3892 270 10 cells cell NNS en-wikipedia-org-3892 270 11 have have VBP en-wikipedia-org-3892 270 12 a a DT en-wikipedia-org-3892 270 13 prolonged prolonged JJ en-wikipedia-org-3892 270 14 " " `` en-wikipedia-org-3892 270 15 plateau plateau NN en-wikipedia-org-3892 270 16 " " '' en-wikipedia-org-3892 270 17 phase phase NN en-wikipedia-org-3892 270 18 when when WRB en-wikipedia-org-3892 270 19 they -PRON- PRP en-wikipedia-org-3892 270 20 have have VBP en-wikipedia-org-3892 270 21 a a DT en-wikipedia-org-3892 270 22 positive positive JJ en-wikipedia-org-3892 270 23 charge charge NN en-wikipedia-org-3892 270 24 . . . en-wikipedia-org-3892 271 1 A a DT en-wikipedia-org-3892 271 2 part part NN en-wikipedia-org-3892 271 3 of of IN en-wikipedia-org-3892 271 4 this this DT en-wikipedia-org-3892 271 5 is be VBZ en-wikipedia-org-3892 271 6 called call VBN en-wikipedia-org-3892 271 7 the the DT en-wikipedia-org-3892 271 8 absolute absolute JJ en-wikipedia-org-3892 271 9 refractory refractory JJ en-wikipedia-org-3892 271 10 period period NN en-wikipedia-org-3892 271 11 . . . en-wikipedia-org-3892 272 1 Calcium calcium NN en-wikipedia-org-3892 272 2 ions ion NNS en-wikipedia-org-3892 272 3 also also RB en-wikipedia-org-3892 272 4 combine combine VBP en-wikipedia-org-3892 272 5 with with IN en-wikipedia-org-3892 272 6 the the DT en-wikipedia-org-3892 272 7 regulatory regulatory JJ en-wikipedia-org-3892 272 8 protein protein NN en-wikipedia-org-3892 272 9 troponin troponin NNP en-wikipedia-org-3892 272 10 C C NNP en-wikipedia-org-3892 272 11 in in IN en-wikipedia-org-3892 272 12 the the DT en-wikipedia-org-3892 272 13 troponin troponin JJ en-wikipedia-org-3892 272 14 complex complex NN en-wikipedia-org-3892 272 15 to to TO en-wikipedia-org-3892 272 16 enable enable VB en-wikipedia-org-3892 272 17 contraction contraction NN en-wikipedia-org-3892 272 18 of of IN en-wikipedia-org-3892 272 19 the the DT en-wikipedia-org-3892 272 20 cardiac cardiac JJ en-wikipedia-org-3892 272 21 muscle muscle NN en-wikipedia-org-3892 272 22 , , , en-wikipedia-org-3892 272 23 and and CC en-wikipedia-org-3892 272 24 separate separate VB en-wikipedia-org-3892 272 25 from from IN en-wikipedia-org-3892 272 26 the the DT en-wikipedia-org-3892 272 27 protein protein NN en-wikipedia-org-3892 272 28 to to TO en-wikipedia-org-3892 272 29 allow allow VB en-wikipedia-org-3892 272 30 relaxation relaxation NN en-wikipedia-org-3892 272 31 . . . en-wikipedia-org-3892 273 1 [ [ -LRB- en-wikipedia-org-3892 273 2 48 48 CD en-wikipedia-org-3892 273 3 ] ] -RRB- en-wikipedia-org-3892 273 4 The the DT en-wikipedia-org-3892 273 5 adult adult NN en-wikipedia-org-3892 273 6 resting rest VBG en-wikipedia-org-3892 273 7 heart heart NN en-wikipedia-org-3892 273 8 rate rate NN en-wikipedia-org-3892 273 9 ranges range VBZ en-wikipedia-org-3892 273 10 from from IN en-wikipedia-org-3892 273 11 60 60 CD en-wikipedia-org-3892 273 12 to to TO en-wikipedia-org-3892 273 13 100 100 CD en-wikipedia-org-3892 273 14 bpm bpm NNS en-wikipedia-org-3892 273 15 . . . en-wikipedia-org-3892 274 1 The the DT en-wikipedia-org-3892 274 2 resting rest VBG en-wikipedia-org-3892 274 3 heart heart NN en-wikipedia-org-3892 274 4 rate rate NN en-wikipedia-org-3892 274 5 of of IN en-wikipedia-org-3892 274 6 a a DT en-wikipedia-org-3892 274 7 newborn newborn JJ en-wikipedia-org-3892 274 8 can can MD en-wikipedia-org-3892 274 9 be be VB en-wikipedia-org-3892 274 10 129 129 CD en-wikipedia-org-3892 274 11 beats beat NNS en-wikipedia-org-3892 274 12 per per IN en-wikipedia-org-3892 274 13 minute minute NN en-wikipedia-org-3892 274 14 ( ( -LRB- en-wikipedia-org-3892 274 15 bpm bpm NNP en-wikipedia-org-3892 274 16 ) ) -RRB- en-wikipedia-org-3892 274 17 and and CC en-wikipedia-org-3892 274 18 this this DT en-wikipedia-org-3892 274 19 gradually gradually RB en-wikipedia-org-3892 274 20 decreases decrease VBZ en-wikipedia-org-3892 274 21 until until IN en-wikipedia-org-3892 274 22 maturity maturity NN en-wikipedia-org-3892 274 23 . . . en-wikipedia-org-3892 275 1 [ [ -LRB- en-wikipedia-org-3892 275 2 49 49 CD en-wikipedia-org-3892 275 3 ] ] -RRB- en-wikipedia-org-3892 275 4 An an DT en-wikipedia-org-3892 275 5 athlete athlete NN en-wikipedia-org-3892 275 6 's 's POS en-wikipedia-org-3892 275 7 heart heart NN en-wikipedia-org-3892 275 8 rate rate NN en-wikipedia-org-3892 275 9 can can MD en-wikipedia-org-3892 275 10 be be VB en-wikipedia-org-3892 275 11 lower low JJR en-wikipedia-org-3892 275 12 than than IN en-wikipedia-org-3892 275 13 60 60 CD en-wikipedia-org-3892 275 14 bpm bpm NNS en-wikipedia-org-3892 275 15 . . . en-wikipedia-org-3892 276 1 During during IN en-wikipedia-org-3892 276 2 exercise exercise VB en-wikipedia-org-3892 276 3 the the DT en-wikipedia-org-3892 276 4 rate rate NN en-wikipedia-org-3892 276 5 can can MD en-wikipedia-org-3892 276 6 be be VB en-wikipedia-org-3892 276 7 150 150 CD en-wikipedia-org-3892 276 8 bpm bpm NNS en-wikipedia-org-3892 276 9 with with IN en-wikipedia-org-3892 276 10 maximum maximum JJ en-wikipedia-org-3892 276 11 rates rate NNS en-wikipedia-org-3892 276 12 reaching reach VBG en-wikipedia-org-3892 276 13 from from IN en-wikipedia-org-3892 276 14 200 200 CD en-wikipedia-org-3892 276 15 to to TO en-wikipedia-org-3892 276 16 220 220 CD en-wikipedia-org-3892 276 17 bpm bpm NNS en-wikipedia-org-3892 276 18 . . . en-wikipedia-org-3892 277 1 [ [ -LRB- en-wikipedia-org-3892 277 2 7 7 CD en-wikipedia-org-3892 277 3 ] ] -RRB- en-wikipedia-org-3892 277 4 Influences influence NNS en-wikipedia-org-3892 277 5 The the DT en-wikipedia-org-3892 277 6 normal normal JJ en-wikipedia-org-3892 277 7 sinus sinus NN en-wikipedia-org-3892 277 8 rhythm rhythm NN en-wikipedia-org-3892 277 9 of of IN en-wikipedia-org-3892 277 10 the the DT en-wikipedia-org-3892 277 11 heart heart NN en-wikipedia-org-3892 277 12 , , , en-wikipedia-org-3892 277 13 giving give VBG en-wikipedia-org-3892 277 14 the the DT en-wikipedia-org-3892 277 15 resting rest VBG en-wikipedia-org-3892 277 16 heart heart NN en-wikipedia-org-3892 277 17 rate rate NN en-wikipedia-org-3892 277 18 , , , en-wikipedia-org-3892 277 19 is be VBZ en-wikipedia-org-3892 277 20 influenced influence VBN en-wikipedia-org-3892 277 21 by by IN en-wikipedia-org-3892 277 22 a a DT en-wikipedia-org-3892 277 23 number number NN en-wikipedia-org-3892 277 24 of of IN en-wikipedia-org-3892 277 25 factors factor NNS en-wikipedia-org-3892 277 26 . . . en-wikipedia-org-3892 278 1 The the DT en-wikipedia-org-3892 278 2 cardiovascular cardiovascular JJ en-wikipedia-org-3892 278 3 centres centre VBZ en-wikipedia-org-3892 278 4 in in IN en-wikipedia-org-3892 278 5 the the DT en-wikipedia-org-3892 278 6 brainstem brainstem NN en-wikipedia-org-3892 278 7 that that WDT en-wikipedia-org-3892 278 8 control control VBP en-wikipedia-org-3892 278 9 the the DT en-wikipedia-org-3892 278 10 sympathetic sympathetic JJ en-wikipedia-org-3892 278 11 and and CC en-wikipedia-org-3892 278 12 parasympathetic parasympathetic JJ en-wikipedia-org-3892 278 13 influences influence NNS en-wikipedia-org-3892 278 14 to to IN en-wikipedia-org-3892 278 15 the the DT en-wikipedia-org-3892 278 16 heart heart NN en-wikipedia-org-3892 278 17 through through IN en-wikipedia-org-3892 278 18 the the DT en-wikipedia-org-3892 278 19 vagus vagus NNP en-wikipedia-org-3892 278 20 nerve nerve NN en-wikipedia-org-3892 278 21 and and CC en-wikipedia-org-3892 278 22 sympathetic sympathetic JJ en-wikipedia-org-3892 278 23 trunk trunk NN en-wikipedia-org-3892 278 24 . . . en-wikipedia-org-3892 279 1 [ [ -LRB- en-wikipedia-org-3892 279 2 50 50 CD en-wikipedia-org-3892 279 3 ] ] -RRB- en-wikipedia-org-3892 279 4 These these DT en-wikipedia-org-3892 279 5 cardiovascular cardiovascular JJ en-wikipedia-org-3892 279 6 centres centre NNS en-wikipedia-org-3892 279 7 receive receive VBP en-wikipedia-org-3892 279 8 input input NN en-wikipedia-org-3892 279 9 from from IN en-wikipedia-org-3892 279 10 a a DT en-wikipedia-org-3892 279 11 series series NN en-wikipedia-org-3892 279 12 of of IN en-wikipedia-org-3892 279 13 receptors receptor NNS en-wikipedia-org-3892 279 14 including include VBG en-wikipedia-org-3892 279 15 baroreceptors baroreceptor NNS en-wikipedia-org-3892 279 16 , , , en-wikipedia-org-3892 279 17 sensing sense VBG en-wikipedia-org-3892 279 18 stretch stretch NN en-wikipedia-org-3892 279 19 the the DT en-wikipedia-org-3892 279 20 stretching stretching NN en-wikipedia-org-3892 279 21 of of IN en-wikipedia-org-3892 279 22 blood blood NN en-wikipedia-org-3892 279 23 vessels vessel NNS en-wikipedia-org-3892 279 24 and and CC en-wikipedia-org-3892 279 25 chemoreceptors chemoreceptor NNS en-wikipedia-org-3892 279 26 , , , en-wikipedia-org-3892 279 27 sensing sense VBG en-wikipedia-org-3892 279 28 the the DT en-wikipedia-org-3892 279 29 amount amount NN en-wikipedia-org-3892 279 30 of of IN en-wikipedia-org-3892 279 31 oxygen oxygen NN en-wikipedia-org-3892 279 32 and and CC en-wikipedia-org-3892 279 33 carbon carbon NN en-wikipedia-org-3892 279 34 dioxide dioxide NN en-wikipedia-org-3892 279 35 in in IN en-wikipedia-org-3892 279 36 the the DT en-wikipedia-org-3892 279 37 blood blood NN en-wikipedia-org-3892 279 38 and and CC en-wikipedia-org-3892 279 39 its -PRON- PRP$ en-wikipedia-org-3892 279 40 pH. ph. NN en-wikipedia-org-3892 280 1 Through through IN en-wikipedia-org-3892 280 2 a a DT en-wikipedia-org-3892 280 3 series series NN en-wikipedia-org-3892 280 4 of of IN en-wikipedia-org-3892 280 5 reflexes reflex NNS en-wikipedia-org-3892 280 6 these these DT en-wikipedia-org-3892 280 7 help help NN en-wikipedia-org-3892 280 8 regulate regulate VB en-wikipedia-org-3892 280 9 and and CC en-wikipedia-org-3892 280 10 sustain sustain VB en-wikipedia-org-3892 280 11 blood blood NN en-wikipedia-org-3892 280 12 flow flow NN en-wikipedia-org-3892 280 13 . . . en-wikipedia-org-3892 281 1 [ [ -LRB- en-wikipedia-org-3892 281 2 7 7 CD en-wikipedia-org-3892 281 3 ] ] -RRB- en-wikipedia-org-3892 281 4 Baroreceptors baroreceptor NNS en-wikipedia-org-3892 281 5 are be VBP en-wikipedia-org-3892 281 6 stretch stretch JJ en-wikipedia-org-3892 281 7 receptors receptor NNS en-wikipedia-org-3892 281 8 located locate VBN en-wikipedia-org-3892 281 9 in in IN en-wikipedia-org-3892 281 10 the the DT en-wikipedia-org-3892 281 11 aortic aortic NNP en-wikipedia-org-3892 281 12 sinus sinus NNP en-wikipedia-org-3892 281 13 , , , en-wikipedia-org-3892 281 14 carotid carotid NNP en-wikipedia-org-3892 281 15 bodies body NNS en-wikipedia-org-3892 281 16 , , , en-wikipedia-org-3892 281 17 the the DT en-wikipedia-org-3892 281 18 venae venae NNP en-wikipedia-org-3892 281 19 cavae cavae NNP en-wikipedia-org-3892 281 20 , , , en-wikipedia-org-3892 281 21 and and CC en-wikipedia-org-3892 281 22 other other JJ en-wikipedia-org-3892 281 23 locations location NNS en-wikipedia-org-3892 281 24 , , , en-wikipedia-org-3892 281 25 including include VBG en-wikipedia-org-3892 281 26 pulmonary pulmonary JJ en-wikipedia-org-3892 281 27 vessels vessel NNS en-wikipedia-org-3892 281 28 and and CC en-wikipedia-org-3892 281 29 the the DT en-wikipedia-org-3892 281 30 right right JJ en-wikipedia-org-3892 281 31 side side NN en-wikipedia-org-3892 281 32 of of IN en-wikipedia-org-3892 281 33 the the DT en-wikipedia-org-3892 281 34 heart heart NN en-wikipedia-org-3892 281 35 itself -PRON- PRP en-wikipedia-org-3892 281 36 . . . en-wikipedia-org-3892 282 1 Baroreceptors baroreceptor NNS en-wikipedia-org-3892 282 2 fire fire VBP en-wikipedia-org-3892 282 3 at at IN en-wikipedia-org-3892 282 4 a a DT en-wikipedia-org-3892 282 5 rate rate NN en-wikipedia-org-3892 282 6 determined determine VBN en-wikipedia-org-3892 282 7 by by IN en-wikipedia-org-3892 282 8 how how WRB en-wikipedia-org-3892 282 9 much much JJ en-wikipedia-org-3892 282 10 they -PRON- PRP en-wikipedia-org-3892 282 11 are be VBP en-wikipedia-org-3892 282 12 stretched,[51 stretched,[51 CD en-wikipedia-org-3892 282 13 ] ] -RRB- en-wikipedia-org-3892 282 14 which which WDT en-wikipedia-org-3892 282 15 is be VBZ en-wikipedia-org-3892 282 16 influenced influence VBN en-wikipedia-org-3892 282 17 by by IN en-wikipedia-org-3892 282 18 blood blood NN en-wikipedia-org-3892 282 19 pressure pressure NN en-wikipedia-org-3892 282 20 , , , en-wikipedia-org-3892 282 21 level level NN en-wikipedia-org-3892 282 22 of of IN en-wikipedia-org-3892 282 23 physical physical JJ en-wikipedia-org-3892 282 24 activity activity NN en-wikipedia-org-3892 282 25 , , , en-wikipedia-org-3892 282 26 and and CC en-wikipedia-org-3892 282 27 the the DT en-wikipedia-org-3892 282 28 relative relative JJ en-wikipedia-org-3892 282 29 distribution distribution NN en-wikipedia-org-3892 282 30 of of IN en-wikipedia-org-3892 282 31 blood blood NN en-wikipedia-org-3892 282 32 . . . en-wikipedia-org-3892 283 1 With with IN en-wikipedia-org-3892 283 2 increased increase VBN en-wikipedia-org-3892 283 3 pressure pressure NN en-wikipedia-org-3892 283 4 and and CC en-wikipedia-org-3892 283 5 stretch stretch NN en-wikipedia-org-3892 283 6 , , , en-wikipedia-org-3892 283 7 the the DT en-wikipedia-org-3892 283 8 rate rate NN en-wikipedia-org-3892 283 9 of of IN en-wikipedia-org-3892 283 10 baroreceptor baroreceptor NN en-wikipedia-org-3892 283 11 firing firing NN en-wikipedia-org-3892 283 12 increases increase NNS en-wikipedia-org-3892 283 13 , , , en-wikipedia-org-3892 283 14 and and CC en-wikipedia-org-3892 283 15 the the DT en-wikipedia-org-3892 283 16 cardiac cardiac JJ en-wikipedia-org-3892 283 17 centers center NNS en-wikipedia-org-3892 283 18 decrease decrease VBP en-wikipedia-org-3892 283 19 sympathetic sympathetic JJ en-wikipedia-org-3892 283 20 stimulation stimulation NN en-wikipedia-org-3892 283 21 and and CC en-wikipedia-org-3892 283 22 increase increase VB en-wikipedia-org-3892 283 23 parasympathetic parasympathetic JJ en-wikipedia-org-3892 283 24 stimulation stimulation NN en-wikipedia-org-3892 283 25 . . . en-wikipedia-org-3892 284 1 As as IN en-wikipedia-org-3892 284 2 pressure pressure NN en-wikipedia-org-3892 284 3 and and CC en-wikipedia-org-3892 284 4 stretch stretch NN en-wikipedia-org-3892 284 5 decrease decrease NN en-wikipedia-org-3892 284 6 , , , en-wikipedia-org-3892 284 7 the the DT en-wikipedia-org-3892 284 8 rate rate NN en-wikipedia-org-3892 284 9 of of IN en-wikipedia-org-3892 284 10 baroreceptor baroreceptor NN en-wikipedia-org-3892 284 11 firing firing NN en-wikipedia-org-3892 284 12 decreases decrease NNS en-wikipedia-org-3892 284 13 , , , en-wikipedia-org-3892 284 14 and and CC en-wikipedia-org-3892 284 15 the the DT en-wikipedia-org-3892 284 16 cardiac cardiac JJ en-wikipedia-org-3892 284 17 centers center NNS en-wikipedia-org-3892 284 18 increase increase VBP en-wikipedia-org-3892 284 19 sympathetic sympathetic JJ en-wikipedia-org-3892 284 20 stimulation stimulation NN en-wikipedia-org-3892 284 21 and and CC en-wikipedia-org-3892 284 22 decrease decrease VB en-wikipedia-org-3892 284 23 parasympathetic parasympathetic JJ en-wikipedia-org-3892 284 24 stimulation stimulation NN en-wikipedia-org-3892 284 25 . . . en-wikipedia-org-3892 285 1 [ [ -LRB- en-wikipedia-org-3892 285 2 7 7 LS en-wikipedia-org-3892 285 3 ] ] -RRB- en-wikipedia-org-3892 285 4 There there EX en-wikipedia-org-3892 285 5 is be VBZ en-wikipedia-org-3892 285 6 a a DT en-wikipedia-org-3892 285 7 similar similar JJ en-wikipedia-org-3892 285 8 reflex reflex NN en-wikipedia-org-3892 285 9 , , , en-wikipedia-org-3892 285 10 called call VBD en-wikipedia-org-3892 285 11 the the DT en-wikipedia-org-3892 285 12 atrial atrial JJ en-wikipedia-org-3892 285 13 reflex reflex NNP en-wikipedia-org-3892 285 14 or or CC en-wikipedia-org-3892 285 15 Bainbridge Bainbridge NNP en-wikipedia-org-3892 285 16 reflex reflex NN en-wikipedia-org-3892 285 17 , , , en-wikipedia-org-3892 285 18 associated associate VBN en-wikipedia-org-3892 285 19 with with IN en-wikipedia-org-3892 285 20 varying vary VBG en-wikipedia-org-3892 285 21 rates rate NNS en-wikipedia-org-3892 285 22 of of IN en-wikipedia-org-3892 285 23 blood blood NN en-wikipedia-org-3892 285 24 flow flow NN en-wikipedia-org-3892 285 25 to to IN en-wikipedia-org-3892 285 26 the the DT en-wikipedia-org-3892 285 27 atria atria NNP en-wikipedia-org-3892 285 28 . . . en-wikipedia-org-3892 286 1 Increased increase VBN en-wikipedia-org-3892 286 2 venous venous JJ en-wikipedia-org-3892 286 3 return return NN en-wikipedia-org-3892 286 4 stretches stretch VBZ en-wikipedia-org-3892 286 5 the the DT en-wikipedia-org-3892 286 6 walls wall NNS en-wikipedia-org-3892 286 7 of of IN en-wikipedia-org-3892 286 8 the the DT en-wikipedia-org-3892 286 9 atria atria NNP en-wikipedia-org-3892 286 10 where where WRB en-wikipedia-org-3892 286 11 specialized specialized JJ en-wikipedia-org-3892 286 12 baroreceptors baroreceptor NNS en-wikipedia-org-3892 286 13 are be VBP en-wikipedia-org-3892 286 14 located locate VBN en-wikipedia-org-3892 286 15 . . . en-wikipedia-org-3892 287 1 However however RB en-wikipedia-org-3892 287 2 , , , en-wikipedia-org-3892 287 3 as as IN en-wikipedia-org-3892 287 4 the the DT en-wikipedia-org-3892 287 5 atrial atrial JJ en-wikipedia-org-3892 287 6 baroreceptors baroreceptor NNS en-wikipedia-org-3892 287 7 increase increase VBP en-wikipedia-org-3892 287 8 their -PRON- PRP$ en-wikipedia-org-3892 287 9 rate rate NN en-wikipedia-org-3892 287 10 of of IN en-wikipedia-org-3892 287 11 firing firing NN en-wikipedia-org-3892 287 12 and and CC en-wikipedia-org-3892 287 13 as as IN en-wikipedia-org-3892 287 14 they -PRON- PRP en-wikipedia-org-3892 287 15 stretch stretch VBP en-wikipedia-org-3892 287 16 due due IN en-wikipedia-org-3892 287 17 to to IN en-wikipedia-org-3892 287 18 the the DT en-wikipedia-org-3892 287 19 increased increase VBN en-wikipedia-org-3892 287 20 blood blood NN en-wikipedia-org-3892 287 21 pressure pressure NN en-wikipedia-org-3892 287 22 , , , en-wikipedia-org-3892 287 23 the the DT en-wikipedia-org-3892 287 24 cardiac cardiac JJ en-wikipedia-org-3892 287 25 center center NN en-wikipedia-org-3892 287 26 responds respond VBZ en-wikipedia-org-3892 287 27 by by IN en-wikipedia-org-3892 287 28 increasing increase VBG en-wikipedia-org-3892 287 29 sympathetic sympathetic JJ en-wikipedia-org-3892 287 30 stimulation stimulation NN en-wikipedia-org-3892 287 31 and and CC en-wikipedia-org-3892 287 32 inhibiting inhibit VBG en-wikipedia-org-3892 287 33 parasympathetic parasympathetic JJ en-wikipedia-org-3892 287 34 stimulation stimulation NN en-wikipedia-org-3892 287 35 to to TO en-wikipedia-org-3892 287 36 increase increase VB en-wikipedia-org-3892 287 37 heart heart NN en-wikipedia-org-3892 287 38 rate rate NN en-wikipedia-org-3892 287 39 . . . en-wikipedia-org-3892 288 1 The the DT en-wikipedia-org-3892 288 2 opposite opposite NN en-wikipedia-org-3892 288 3 is be VBZ en-wikipedia-org-3892 288 4 also also RB en-wikipedia-org-3892 288 5 true true JJ en-wikipedia-org-3892 288 6 . . . en-wikipedia-org-3892 289 1 [ [ -LRB- en-wikipedia-org-3892 289 2 7 7 LS en-wikipedia-org-3892 289 3 ] ] -RRB- en-wikipedia-org-3892 289 4 Chemoreceptors chemoreceptor NNS en-wikipedia-org-3892 289 5 present present JJ en-wikipedia-org-3892 289 6 in in IN en-wikipedia-org-3892 289 7 the the DT en-wikipedia-org-3892 289 8 carotid carotid JJ en-wikipedia-org-3892 289 9 body body NN en-wikipedia-org-3892 289 10 or or CC en-wikipedia-org-3892 289 11 adjacent adjacent JJ en-wikipedia-org-3892 289 12 to to IN en-wikipedia-org-3892 289 13 the the DT en-wikipedia-org-3892 289 14 aorta aorta NN en-wikipedia-org-3892 289 15 in in IN en-wikipedia-org-3892 289 16 an an DT en-wikipedia-org-3892 289 17 aortic aortic JJ en-wikipedia-org-3892 289 18 body body NN en-wikipedia-org-3892 289 19 respond respond NN en-wikipedia-org-3892 289 20 to to IN en-wikipedia-org-3892 289 21 the the DT en-wikipedia-org-3892 289 22 blood blood NN en-wikipedia-org-3892 289 23 's 's POS en-wikipedia-org-3892 289 24 oxygen oxygen NN en-wikipedia-org-3892 289 25 , , , en-wikipedia-org-3892 289 26 carbon carbon NN en-wikipedia-org-3892 289 27 dioxide dioxide NN en-wikipedia-org-3892 289 28 levels level NNS en-wikipedia-org-3892 289 29 . . . en-wikipedia-org-3892 290 1 Low low JJ en-wikipedia-org-3892 290 2 oxygen oxygen NN en-wikipedia-org-3892 290 3 or or CC en-wikipedia-org-3892 290 4 high high JJ en-wikipedia-org-3892 290 5 carbon carbon NN en-wikipedia-org-3892 290 6 dioxide dioxide NN en-wikipedia-org-3892 290 7 will will MD en-wikipedia-org-3892 290 8 stimulate stimulate VB en-wikipedia-org-3892 290 9 firing firing NN en-wikipedia-org-3892 290 10 of of IN en-wikipedia-org-3892 290 11 the the DT en-wikipedia-org-3892 290 12 receptors receptor NNS en-wikipedia-org-3892 290 13 . . . en-wikipedia-org-3892 291 1 [ [ -LRB- en-wikipedia-org-3892 291 2 52 52 CD en-wikipedia-org-3892 291 3 ] ] -RRB- en-wikipedia-org-3892 291 4 Exercise exercise NN en-wikipedia-org-3892 291 5 and and CC en-wikipedia-org-3892 291 6 fitness fitness NN en-wikipedia-org-3892 291 7 levels level NNS en-wikipedia-org-3892 291 8 , , , en-wikipedia-org-3892 291 9 age age NN en-wikipedia-org-3892 291 10 , , , en-wikipedia-org-3892 291 11 body body NN en-wikipedia-org-3892 291 12 temperature temperature NN en-wikipedia-org-3892 291 13 , , , en-wikipedia-org-3892 291 14 basal basal NNP en-wikipedia-org-3892 291 15 metabolic metabolic JJ en-wikipedia-org-3892 291 16 rate rate NN en-wikipedia-org-3892 291 17 , , , en-wikipedia-org-3892 291 18 and and CC en-wikipedia-org-3892 291 19 even even RB en-wikipedia-org-3892 291 20 a a DT en-wikipedia-org-3892 291 21 person person NN en-wikipedia-org-3892 291 22 's 's POS en-wikipedia-org-3892 291 23 emotional emotional JJ en-wikipedia-org-3892 291 24 state state NN en-wikipedia-org-3892 291 25 can can MD en-wikipedia-org-3892 291 26 all all RB en-wikipedia-org-3892 291 27 affect affect VB en-wikipedia-org-3892 291 28 the the DT en-wikipedia-org-3892 291 29 heart heart NN en-wikipedia-org-3892 291 30 rate rate NN en-wikipedia-org-3892 291 31 . . . en-wikipedia-org-3892 292 1 High high JJ en-wikipedia-org-3892 292 2 levels level NNS en-wikipedia-org-3892 292 3 of of IN en-wikipedia-org-3892 292 4 the the DT en-wikipedia-org-3892 292 5 hormones hormones NNPS en-wikipedia-org-3892 292 6 epinephrine epinephrine NNP en-wikipedia-org-3892 292 7 , , , en-wikipedia-org-3892 292 8 norepinephrine norepinephrine NN en-wikipedia-org-3892 292 9 , , , en-wikipedia-org-3892 292 10 and and CC en-wikipedia-org-3892 292 11 thyroid thyroid NN en-wikipedia-org-3892 292 12 hormones hormone NNS en-wikipedia-org-3892 292 13 can can MD en-wikipedia-org-3892 292 14 increase increase VB en-wikipedia-org-3892 292 15 the the DT en-wikipedia-org-3892 292 16 heart heart NN en-wikipedia-org-3892 292 17 rate rate NN en-wikipedia-org-3892 292 18 . . . en-wikipedia-org-3892 293 1 The the DT en-wikipedia-org-3892 293 2 levels level NNS en-wikipedia-org-3892 293 3 of of IN en-wikipedia-org-3892 293 4 electrolytes electrolyte NNS en-wikipedia-org-3892 293 5 including include VBG en-wikipedia-org-3892 293 6 calcium calcium NN en-wikipedia-org-3892 293 7 , , , en-wikipedia-org-3892 293 8 potassium potassium NN en-wikipedia-org-3892 293 9 , , , en-wikipedia-org-3892 293 10 and and CC en-wikipedia-org-3892 293 11 sodium sodium NN en-wikipedia-org-3892 293 12 can can MD en-wikipedia-org-3892 293 13 also also RB en-wikipedia-org-3892 293 14 influence influence VB en-wikipedia-org-3892 293 15 the the DT en-wikipedia-org-3892 293 16 speed speed NN en-wikipedia-org-3892 293 17 and and CC en-wikipedia-org-3892 293 18 regularity regularity NN en-wikipedia-org-3892 293 19 of of IN en-wikipedia-org-3892 293 20 the the DT en-wikipedia-org-3892 293 21 heart heart NN en-wikipedia-org-3892 293 22 rate rate NN en-wikipedia-org-3892 293 23 ; ; , en-wikipedia-org-3892 293 24 low low JJ en-wikipedia-org-3892 293 25 blood blood NN en-wikipedia-org-3892 293 26 oxygen oxygen NN en-wikipedia-org-3892 293 27 , , , en-wikipedia-org-3892 293 28 low low JJ en-wikipedia-org-3892 293 29 blood blood NN en-wikipedia-org-3892 293 30 pressure pressure NN en-wikipedia-org-3892 293 31 and and CC en-wikipedia-org-3892 293 32 dehydration dehydration NN en-wikipedia-org-3892 293 33 may may MD en-wikipedia-org-3892 293 34 increase increase VB en-wikipedia-org-3892 293 35 it -PRON- PRP en-wikipedia-org-3892 293 36 . . . en-wikipedia-org-3892 294 1 [ [ -LRB- en-wikipedia-org-3892 294 2 7 7 LS en-wikipedia-org-3892 294 3 ] ] -RRB- en-wikipedia-org-3892 294 4 Clinical clinical JJ en-wikipedia-org-3892 294 5 significance significance NN en-wikipedia-org-3892 294 6 Diseases disease NNS en-wikipedia-org-3892 294 7 The the DT en-wikipedia-org-3892 294 8 stethoscope stethoscope NN en-wikipedia-org-3892 294 9 is be VBZ en-wikipedia-org-3892 294 10 used use VBN en-wikipedia-org-3892 294 11 for for IN en-wikipedia-org-3892 294 12 auscultation auscultation NN en-wikipedia-org-3892 294 13 of of IN en-wikipedia-org-3892 294 14 the the DT en-wikipedia-org-3892 294 15 heart heart NN en-wikipedia-org-3892 294 16 , , , en-wikipedia-org-3892 294 17 and and CC en-wikipedia-org-3892 294 18 is be VBZ en-wikipedia-org-3892 294 19 one one CD en-wikipedia-org-3892 294 20 of of IN en-wikipedia-org-3892 294 21 the the DT en-wikipedia-org-3892 294 22 most most RBS en-wikipedia-org-3892 294 23 iconic iconic JJ en-wikipedia-org-3892 294 24 symbols symbol NNS en-wikipedia-org-3892 294 25 for for IN en-wikipedia-org-3892 294 26 medicine medicine NN en-wikipedia-org-3892 294 27 . . . en-wikipedia-org-3892 295 1 A a DT en-wikipedia-org-3892 295 2 number number NN en-wikipedia-org-3892 295 3 of of IN en-wikipedia-org-3892 295 4 diseases disease NNS en-wikipedia-org-3892 295 5 can can MD en-wikipedia-org-3892 295 6 be be VB en-wikipedia-org-3892 295 7 detected detect VBN en-wikipedia-org-3892 295 8 primarily primarily RB en-wikipedia-org-3892 295 9 by by IN en-wikipedia-org-3892 295 10 listening listen VBG en-wikipedia-org-3892 295 11 for for IN en-wikipedia-org-3892 295 12 heart heart NN en-wikipedia-org-3892 295 13 murmurs murmur NNS en-wikipedia-org-3892 295 14 . . . en-wikipedia-org-3892 296 1 Atherosclerosis Atherosclerosis NNP en-wikipedia-org-3892 296 2 is be VBZ en-wikipedia-org-3892 296 3 a a DT en-wikipedia-org-3892 296 4 condition condition NN en-wikipedia-org-3892 296 5 affecting affect VBG en-wikipedia-org-3892 296 6 the the DT en-wikipedia-org-3892 296 7 circulatory circulatory JJ en-wikipedia-org-3892 296 8 system system NN en-wikipedia-org-3892 296 9 . . . en-wikipedia-org-3892 297 1 If if IN en-wikipedia-org-3892 297 2 the the DT en-wikipedia-org-3892 297 3 coronary coronary JJ en-wikipedia-org-3892 297 4 arteries artery NNS en-wikipedia-org-3892 297 5 are be VBP en-wikipedia-org-3892 297 6 affected affect VBN en-wikipedia-org-3892 297 7 , , , en-wikipedia-org-3892 297 8 angina angina NNP en-wikipedia-org-3892 297 9 pectoris pectoris NNP en-wikipedia-org-3892 297 10 may may MD en-wikipedia-org-3892 297 11 result result VB en-wikipedia-org-3892 297 12 or or CC en-wikipedia-org-3892 297 13 at at IN en-wikipedia-org-3892 297 14 worse bad JJR en-wikipedia-org-3892 297 15 a a DT en-wikipedia-org-3892 297 16 heart heart NN en-wikipedia-org-3892 297 17 attack attack NN en-wikipedia-org-3892 297 18 . . . en-wikipedia-org-3892 298 1 Cardiovascular Cardiovascular NNP en-wikipedia-org-3892 298 2 diseases disease NNS en-wikipedia-org-3892 298 3 , , , en-wikipedia-org-3892 298 4 which which WDT en-wikipedia-org-3892 298 5 include include VBP en-wikipedia-org-3892 298 6 diseases disease NNS en-wikipedia-org-3892 298 7 of of IN en-wikipedia-org-3892 298 8 the the DT en-wikipedia-org-3892 298 9 heart heart NN en-wikipedia-org-3892 298 10 , , , en-wikipedia-org-3892 298 11 are be VBP en-wikipedia-org-3892 298 12 the the DT en-wikipedia-org-3892 298 13 leading leading JJ en-wikipedia-org-3892 298 14 cause cause NN en-wikipedia-org-3892 298 15 of of IN en-wikipedia-org-3892 298 16 death death NN en-wikipedia-org-3892 298 17 worldwide worldwide RB en-wikipedia-org-3892 298 18 . . . en-wikipedia-org-3892 299 1 [ [ -LRB- en-wikipedia-org-3892 299 2 53 53 CD en-wikipedia-org-3892 299 3 ] ] -RRB- en-wikipedia-org-3892 299 4 The the DT en-wikipedia-org-3892 299 5 majority majority NN en-wikipedia-org-3892 299 6 of of IN en-wikipedia-org-3892 299 7 cardiovascular cardiovascular JJ en-wikipedia-org-3892 299 8 disease disease NN en-wikipedia-org-3892 299 9 is be VBZ en-wikipedia-org-3892 299 10 noncommunicable noncommunicable JJ en-wikipedia-org-3892 299 11 and and CC en-wikipedia-org-3892 299 12 related relate VBN en-wikipedia-org-3892 299 13 to to IN en-wikipedia-org-3892 299 14 lifestyle lifestyle NN en-wikipedia-org-3892 299 15 and and CC en-wikipedia-org-3892 299 16 other other JJ en-wikipedia-org-3892 299 17 factors factor NNS en-wikipedia-org-3892 299 18 , , , en-wikipedia-org-3892 299 19 becoming become VBG en-wikipedia-org-3892 299 20 more more RBR en-wikipedia-org-3892 299 21 prevalent prevalent JJ en-wikipedia-org-3892 299 22 with with IN en-wikipedia-org-3892 299 23 ageing ageing NN en-wikipedia-org-3892 299 24 . . . en-wikipedia-org-3892 300 1 [ [ -LRB- en-wikipedia-org-3892 300 2 53 53 CD en-wikipedia-org-3892 300 3 ] ] -RRB- en-wikipedia-org-3892 300 4 Heart heart NN en-wikipedia-org-3892 300 5 disease disease NN en-wikipedia-org-3892 300 6 is be VBZ en-wikipedia-org-3892 300 7 a a DT en-wikipedia-org-3892 300 8 major major JJ en-wikipedia-org-3892 300 9 cause cause NN en-wikipedia-org-3892 300 10 of of IN en-wikipedia-org-3892 300 11 death death NN en-wikipedia-org-3892 300 12 , , , en-wikipedia-org-3892 300 13 accounting account VBG en-wikipedia-org-3892 300 14 for for IN en-wikipedia-org-3892 300 15 an an DT en-wikipedia-org-3892 300 16 average average NN en-wikipedia-org-3892 300 17 of of IN en-wikipedia-org-3892 300 18 30 30 CD en-wikipedia-org-3892 300 19 % % NN en-wikipedia-org-3892 300 20 of of IN en-wikipedia-org-3892 300 21 all all DT en-wikipedia-org-3892 300 22 deaths death NNS en-wikipedia-org-3892 300 23 in in IN en-wikipedia-org-3892 300 24 2008 2008 CD en-wikipedia-org-3892 300 25 , , , en-wikipedia-org-3892 300 26 globally globally RB en-wikipedia-org-3892 300 27 . . . en-wikipedia-org-3892 301 1 [ [ -LRB- en-wikipedia-org-3892 301 2 11 11 CD en-wikipedia-org-3892 301 3 ] ] -RRB- en-wikipedia-org-3892 301 4 This this DT en-wikipedia-org-3892 301 5 rate rate NN en-wikipedia-org-3892 301 6 varies vary VBZ en-wikipedia-org-3892 301 7 from from IN en-wikipedia-org-3892 301 8 a a DT en-wikipedia-org-3892 301 9 lower low JJR en-wikipedia-org-3892 301 10 28 28 CD en-wikipedia-org-3892 301 11 % % NN en-wikipedia-org-3892 301 12 to to IN en-wikipedia-org-3892 301 13 a a DT en-wikipedia-org-3892 301 14 high high JJ en-wikipedia-org-3892 301 15 40 40 CD en-wikipedia-org-3892 301 16 % % NN en-wikipedia-org-3892 301 17 in in IN en-wikipedia-org-3892 301 18 high high JJ en-wikipedia-org-3892 301 19 - - HYPH en-wikipedia-org-3892 301 20 income income NN en-wikipedia-org-3892 301 21 countries country NNS en-wikipedia-org-3892 301 22 . . . en-wikipedia-org-3892 302 1 [ [ -LRB- en-wikipedia-org-3892 302 2 12 12 CD en-wikipedia-org-3892 302 3 ] ] -RRB- en-wikipedia-org-3892 302 4 Doctors doctor NNS en-wikipedia-org-3892 302 5 that that WDT en-wikipedia-org-3892 302 6 specialise specialise VBP en-wikipedia-org-3892 302 7 in in IN en-wikipedia-org-3892 302 8 the the DT en-wikipedia-org-3892 302 9 heart heart NN en-wikipedia-org-3892 302 10 are be VBP en-wikipedia-org-3892 302 11 called call VBN en-wikipedia-org-3892 302 12 cardiologists cardiologist NNS en-wikipedia-org-3892 302 13 . . . en-wikipedia-org-3892 303 1 Many many JJ en-wikipedia-org-3892 303 2 other other JJ en-wikipedia-org-3892 303 3 medical medical JJ en-wikipedia-org-3892 303 4 professionals professional NNS en-wikipedia-org-3892 303 5 are be VBP en-wikipedia-org-3892 303 6 involved involve VBN en-wikipedia-org-3892 303 7 in in IN en-wikipedia-org-3892 303 8 treating treat VBG en-wikipedia-org-3892 303 9 diseases disease NNS en-wikipedia-org-3892 303 10 of of IN en-wikipedia-org-3892 303 11 the the DT en-wikipedia-org-3892 303 12 heart heart NN en-wikipedia-org-3892 303 13 , , , en-wikipedia-org-3892 303 14 including include VBG en-wikipedia-org-3892 303 15 doctors doctor NNS en-wikipedia-org-3892 303 16 such such JJ en-wikipedia-org-3892 303 17 as as IN en-wikipedia-org-3892 303 18 general general JJ en-wikipedia-org-3892 303 19 practitioners practitioner NNS en-wikipedia-org-3892 303 20 , , , en-wikipedia-org-3892 303 21 cardiothoracic cardiothoracic NN en-wikipedia-org-3892 303 22 surgeons surgeon NNS en-wikipedia-org-3892 303 23 and and CC en-wikipedia-org-3892 303 24 intensivists intensivist NNS en-wikipedia-org-3892 303 25 , , , en-wikipedia-org-3892 303 26 and and CC en-wikipedia-org-3892 303 27 allied allied JJ en-wikipedia-org-3892 303 28 health health NN en-wikipedia-org-3892 303 29 practitioners practitioner NNS en-wikipedia-org-3892 303 30 including include VBG en-wikipedia-org-3892 303 31 physiotherapists physiotherapist NNS en-wikipedia-org-3892 303 32 and and CC en-wikipedia-org-3892 303 33 dieticians dietician NNS en-wikipedia-org-3892 303 34 . . . en-wikipedia-org-3892 304 1 [ [ -LRB- en-wikipedia-org-3892 304 2 54 54 CD en-wikipedia-org-3892 304 3 ] ] -RRB- en-wikipedia-org-3892 304 4 Ischaemic ischaemic JJ en-wikipedia-org-3892 304 5 heart heart NN en-wikipedia-org-3892 304 6 disease disease NN en-wikipedia-org-3892 304 7 Main main JJ en-wikipedia-org-3892 304 8 article article NN en-wikipedia-org-3892 304 9 : : : en-wikipedia-org-3892 304 10 Coronary coronary JJ en-wikipedia-org-3892 304 11 artery artery NN en-wikipedia-org-3892 304 12 disease disease NN en-wikipedia-org-3892 304 13 Coronary coronary JJ en-wikipedia-org-3892 304 14 artery artery NN en-wikipedia-org-3892 304 15 disease disease NN en-wikipedia-org-3892 304 16 , , , en-wikipedia-org-3892 304 17 also also RB en-wikipedia-org-3892 304 18 known know VBN en-wikipedia-org-3892 304 19 as as IN en-wikipedia-org-3892 304 20 ischaemic ischaemic JJ en-wikipedia-org-3892 304 21 heart heart NN en-wikipedia-org-3892 304 22 disease disease NN en-wikipedia-org-3892 304 23 , , , en-wikipedia-org-3892 304 24 is be VBZ en-wikipedia-org-3892 304 25 caused cause VBN en-wikipedia-org-3892 304 26 by by IN en-wikipedia-org-3892 304 27 atherosclerosis atherosclerosis NN en-wikipedia-org-3892 304 28 — — : en-wikipedia-org-3892 304 29 a a DT en-wikipedia-org-3892 304 30 build build NN en-wikipedia-org-3892 304 31 - - HYPH en-wikipedia-org-3892 304 32 up up NN en-wikipedia-org-3892 304 33 of of IN en-wikipedia-org-3892 304 34 fatty fatty NN en-wikipedia-org-3892 304 35 material material NN en-wikipedia-org-3892 304 36 along along IN en-wikipedia-org-3892 304 37 the the DT en-wikipedia-org-3892 304 38 inner inner JJ en-wikipedia-org-3892 304 39 walls wall NNS en-wikipedia-org-3892 304 40 of of IN en-wikipedia-org-3892 304 41 the the DT en-wikipedia-org-3892 304 42 arteries artery NNS en-wikipedia-org-3892 304 43 . . . en-wikipedia-org-3892 305 1 These these DT en-wikipedia-org-3892 305 2 fatty fatty NN en-wikipedia-org-3892 305 3 deposits deposit NNS en-wikipedia-org-3892 305 4 known know VBN en-wikipedia-org-3892 305 5 as as IN en-wikipedia-org-3892 305 6 atherosclerotic atherosclerotic JJ en-wikipedia-org-3892 305 7 plaques plaque NNS en-wikipedia-org-3892 305 8 narrow narrow VBP en-wikipedia-org-3892 305 9 the the DT en-wikipedia-org-3892 305 10 coronary coronary JJ en-wikipedia-org-3892 305 11 arteries artery NNS en-wikipedia-org-3892 305 12 , , , en-wikipedia-org-3892 305 13 and and CC en-wikipedia-org-3892 305 14 if if IN en-wikipedia-org-3892 305 15 severe severe JJ en-wikipedia-org-3892 305 16 may may MD en-wikipedia-org-3892 305 17 reduce reduce VB en-wikipedia-org-3892 305 18 blood blood NN en-wikipedia-org-3892 305 19 flow flow NN en-wikipedia-org-3892 305 20 to to IN en-wikipedia-org-3892 305 21 the the DT en-wikipedia-org-3892 305 22 heart heart NN en-wikipedia-org-3892 305 23 . . . en-wikipedia-org-3892 306 1 [ [ -LRB- en-wikipedia-org-3892 306 2 55 55 CD en-wikipedia-org-3892 306 3 ] ] -RRB- en-wikipedia-org-3892 306 4 If if IN en-wikipedia-org-3892 306 5 a a DT en-wikipedia-org-3892 306 6 narrowing narrowing NN en-wikipedia-org-3892 306 7 ( ( -LRB- en-wikipedia-org-3892 306 8 or or CC en-wikipedia-org-3892 306 9 stenosis stenosis NN en-wikipedia-org-3892 306 10 ) ) -RRB- en-wikipedia-org-3892 306 11 is be VBZ en-wikipedia-org-3892 306 12 relatively relatively RB en-wikipedia-org-3892 306 13 minor minor JJ en-wikipedia-org-3892 306 14 then then RB en-wikipedia-org-3892 306 15 the the DT en-wikipedia-org-3892 306 16 patient patient NN en-wikipedia-org-3892 306 17 may may MD en-wikipedia-org-3892 306 18 not not RB en-wikipedia-org-3892 306 19 experience experience VB en-wikipedia-org-3892 306 20 any any DT en-wikipedia-org-3892 306 21 symptoms symptom NNS en-wikipedia-org-3892 306 22 . . . en-wikipedia-org-3892 307 1 Severe severe JJ en-wikipedia-org-3892 307 2 narrowings narrowing NNS en-wikipedia-org-3892 307 3 may may MD en-wikipedia-org-3892 307 4 cause cause VB en-wikipedia-org-3892 307 5 chest chest NN en-wikipedia-org-3892 307 6 pain pain NN en-wikipedia-org-3892 307 7 ( ( -LRB- en-wikipedia-org-3892 307 8 angina angina NNP en-wikipedia-org-3892 307 9 ) ) -RRB- en-wikipedia-org-3892 307 10 or or CC en-wikipedia-org-3892 307 11 breathlessness breathlessness NN en-wikipedia-org-3892 307 12 during during IN en-wikipedia-org-3892 307 13 exercise exercise NN en-wikipedia-org-3892 307 14 or or CC en-wikipedia-org-3892 307 15 even even RB en-wikipedia-org-3892 307 16 at at IN en-wikipedia-org-3892 307 17 rest rest NN en-wikipedia-org-3892 307 18 . . . en-wikipedia-org-3892 308 1 The the DT en-wikipedia-org-3892 308 2 thin thin JJ en-wikipedia-org-3892 308 3 covering covering NN en-wikipedia-org-3892 308 4 of of IN en-wikipedia-org-3892 308 5 an an DT en-wikipedia-org-3892 308 6 atherosclerotic atherosclerotic JJ en-wikipedia-org-3892 308 7 plaque plaque NN en-wikipedia-org-3892 308 8 can can MD en-wikipedia-org-3892 308 9 rupture rupture VB en-wikipedia-org-3892 308 10 , , , en-wikipedia-org-3892 308 11 exposing expose VBG en-wikipedia-org-3892 308 12 the the DT en-wikipedia-org-3892 308 13 fatty fatty NN en-wikipedia-org-3892 308 14 centre centre NN en-wikipedia-org-3892 308 15 to to IN en-wikipedia-org-3892 308 16 the the DT en-wikipedia-org-3892 308 17 circulating circulate VBG en-wikipedia-org-3892 308 18 blood blood NN en-wikipedia-org-3892 308 19 . . . en-wikipedia-org-3892 309 1 In in IN en-wikipedia-org-3892 309 2 this this DT en-wikipedia-org-3892 309 3 case case NN en-wikipedia-org-3892 309 4 a a DT en-wikipedia-org-3892 309 5 clot clot NN en-wikipedia-org-3892 309 6 or or CC en-wikipedia-org-3892 309 7 thrombus thrombus NN en-wikipedia-org-3892 309 8 can can MD en-wikipedia-org-3892 309 9 form form VB en-wikipedia-org-3892 309 10 , , , en-wikipedia-org-3892 309 11 blocking block VBG en-wikipedia-org-3892 309 12 the the DT en-wikipedia-org-3892 309 13 artery artery NN en-wikipedia-org-3892 309 14 , , , en-wikipedia-org-3892 309 15 and and CC en-wikipedia-org-3892 309 16 restricting restrict VBG en-wikipedia-org-3892 309 17 blood blood NN en-wikipedia-org-3892 309 18 flow flow NN en-wikipedia-org-3892 309 19 to to IN en-wikipedia-org-3892 309 20 an an DT en-wikipedia-org-3892 309 21 area area NN en-wikipedia-org-3892 309 22 of of IN en-wikipedia-org-3892 309 23 heart heart NN en-wikipedia-org-3892 309 24 muscle muscle NN en-wikipedia-org-3892 309 25 causing cause VBG en-wikipedia-org-3892 309 26 a a DT en-wikipedia-org-3892 309 27 myocardial myocardial JJ en-wikipedia-org-3892 309 28 infarction infarction NN en-wikipedia-org-3892 309 29 ( ( -LRB- en-wikipedia-org-3892 309 30 a a DT en-wikipedia-org-3892 309 31 heart heart NN en-wikipedia-org-3892 309 32 attack attack NN en-wikipedia-org-3892 309 33 ) ) -RRB- en-wikipedia-org-3892 309 34 or or CC en-wikipedia-org-3892 309 35 unstable unstable JJ en-wikipedia-org-3892 309 36 angina angina NN en-wikipedia-org-3892 309 37 . . . en-wikipedia-org-3892 310 1 [ [ -LRB- en-wikipedia-org-3892 310 2 56 56 CD en-wikipedia-org-3892 310 3 ] ] -RRB- en-wikipedia-org-3892 310 4 In in IN en-wikipedia-org-3892 310 5 the the DT en-wikipedia-org-3892 310 6 worst bad JJS en-wikipedia-org-3892 310 7 case case NN en-wikipedia-org-3892 310 8 this this DT en-wikipedia-org-3892 310 9 may may MD en-wikipedia-org-3892 310 10 cause cause VB en-wikipedia-org-3892 310 11 cardiac cardiac JJ en-wikipedia-org-3892 310 12 arrest arrest NN en-wikipedia-org-3892 310 13 , , , en-wikipedia-org-3892 310 14 a a DT en-wikipedia-org-3892 310 15 sudden sudden JJ en-wikipedia-org-3892 310 16 and and CC en-wikipedia-org-3892 310 17 utter utter JJ en-wikipedia-org-3892 310 18 loss loss NN en-wikipedia-org-3892 310 19 of of IN en-wikipedia-org-3892 310 20 output output NN en-wikipedia-org-3892 310 21 from from IN en-wikipedia-org-3892 310 22 the the DT en-wikipedia-org-3892 310 23 heart heart NN en-wikipedia-org-3892 310 24 . . . en-wikipedia-org-3892 311 1 [ [ -LRB- en-wikipedia-org-3892 311 2 57 57 CD en-wikipedia-org-3892 311 3 ] ] -RRB- en-wikipedia-org-3892 311 4 Obesity obesity NN en-wikipedia-org-3892 311 5 , , , en-wikipedia-org-3892 311 6 high high JJ en-wikipedia-org-3892 311 7 blood blood NN en-wikipedia-org-3892 311 8 pressure pressure NN en-wikipedia-org-3892 311 9 , , , en-wikipedia-org-3892 311 10 uncontrolled uncontrolled JJ en-wikipedia-org-3892 311 11 diabetes diabetes NN en-wikipedia-org-3892 311 12 , , , en-wikipedia-org-3892 311 13 smoking smoking NN en-wikipedia-org-3892 311 14 and and CC en-wikipedia-org-3892 311 15 high high JJ en-wikipedia-org-3892 311 16 cholesterol cholesterol NN en-wikipedia-org-3892 311 17 can can MD en-wikipedia-org-3892 311 18 all all DT en-wikipedia-org-3892 311 19 increase increase VB en-wikipedia-org-3892 311 20 the the DT en-wikipedia-org-3892 311 21 risk risk NN en-wikipedia-org-3892 311 22 of of IN en-wikipedia-org-3892 311 23 developing develop VBG en-wikipedia-org-3892 311 24 atherosclerosis atherosclerosis NN en-wikipedia-org-3892 311 25 and and CC en-wikipedia-org-3892 311 26 coronary coronary JJ en-wikipedia-org-3892 311 27 artery artery NN en-wikipedia-org-3892 311 28 disease disease NN en-wikipedia-org-3892 311 29 . . . en-wikipedia-org-3892 312 1 [ [ -LRB- en-wikipedia-org-3892 312 2 53][55 53][55 LS en-wikipedia-org-3892 312 3 ] ] -RRB- en-wikipedia-org-3892 312 4 Heart heart NN en-wikipedia-org-3892 312 5 failure failure NN en-wikipedia-org-3892 312 6 Main main JJ en-wikipedia-org-3892 312 7 article article NN en-wikipedia-org-3892 312 8 : : : en-wikipedia-org-3892 312 9 heart heart NN en-wikipedia-org-3892 312 10 failure failure NN en-wikipedia-org-3892 312 11 Heart heart NN en-wikipedia-org-3892 312 12 failure failure NN en-wikipedia-org-3892 312 13 is be VBZ en-wikipedia-org-3892 312 14 defined define VBN en-wikipedia-org-3892 312 15 as as IN en-wikipedia-org-3892 312 16 a a DT en-wikipedia-org-3892 312 17 condition condition NN en-wikipedia-org-3892 312 18 in in IN en-wikipedia-org-3892 312 19 which which WDT en-wikipedia-org-3892 312 20 the the DT en-wikipedia-org-3892 312 21 heart heart NN en-wikipedia-org-3892 312 22 is be VBZ en-wikipedia-org-3892 312 23 unable unable JJ en-wikipedia-org-3892 312 24 to to TO en-wikipedia-org-3892 312 25 pump pump VB en-wikipedia-org-3892 312 26 enough enough JJ en-wikipedia-org-3892 312 27 blood blood NN en-wikipedia-org-3892 312 28 to to TO en-wikipedia-org-3892 312 29 meet meet VB en-wikipedia-org-3892 312 30 the the DT en-wikipedia-org-3892 312 31 demands demand NNS en-wikipedia-org-3892 312 32 of of IN en-wikipedia-org-3892 312 33 the the DT en-wikipedia-org-3892 312 34 body body NN en-wikipedia-org-3892 312 35 . . . en-wikipedia-org-3892 313 1 [ [ -LRB- en-wikipedia-org-3892 313 2 58 58 CD en-wikipedia-org-3892 313 3 ] ] -RRB- en-wikipedia-org-3892 313 4 Patients patient NNS en-wikipedia-org-3892 313 5 with with IN en-wikipedia-org-3892 313 6 heart heart NN en-wikipedia-org-3892 313 7 failure failure NN en-wikipedia-org-3892 313 8 may may MD en-wikipedia-org-3892 313 9 experience experience VB en-wikipedia-org-3892 313 10 breathlessness breathlessness NN en-wikipedia-org-3892 313 11 especially especially RB en-wikipedia-org-3892 313 12 when when WRB en-wikipedia-org-3892 313 13 lying lie VBG en-wikipedia-org-3892 313 14 flat flat JJ en-wikipedia-org-3892 313 15 , , , en-wikipedia-org-3892 313 16 as as RB en-wikipedia-org-3892 313 17 well well RB en-wikipedia-org-3892 313 18 as as IN en-wikipedia-org-3892 313 19 ankle ankle NN en-wikipedia-org-3892 313 20 swelling swelling NN en-wikipedia-org-3892 313 21 , , , en-wikipedia-org-3892 313 22 known know VBN en-wikipedia-org-3892 313 23 as as IN en-wikipedia-org-3892 313 24 peripheral peripheral JJ en-wikipedia-org-3892 313 25 oedema oedema NN en-wikipedia-org-3892 313 26 . . . en-wikipedia-org-3892 314 1 Heart heart NN en-wikipedia-org-3892 314 2 failure failure NN en-wikipedia-org-3892 314 3 is be VBZ en-wikipedia-org-3892 314 4 the the DT en-wikipedia-org-3892 314 5 end end NN en-wikipedia-org-3892 314 6 result result NN en-wikipedia-org-3892 314 7 of of IN en-wikipedia-org-3892 314 8 many many JJ en-wikipedia-org-3892 314 9 diseases disease NNS en-wikipedia-org-3892 314 10 affecting affect VBG en-wikipedia-org-3892 314 11 the the DT en-wikipedia-org-3892 314 12 heart heart NN en-wikipedia-org-3892 314 13 , , , en-wikipedia-org-3892 314 14 but but CC en-wikipedia-org-3892 314 15 is be VBZ en-wikipedia-org-3892 314 16 most most RBS en-wikipedia-org-3892 314 17 commonly commonly RB en-wikipedia-org-3892 314 18 associated associate VBN en-wikipedia-org-3892 314 19 with with IN en-wikipedia-org-3892 314 20 ischaemic ischaemic JJ en-wikipedia-org-3892 314 21 heart heart NN en-wikipedia-org-3892 314 22 disease disease NN en-wikipedia-org-3892 314 23 , , , en-wikipedia-org-3892 314 24 valvular valvular JJ en-wikipedia-org-3892 314 25 heart heart NN en-wikipedia-org-3892 314 26 disease disease NN en-wikipedia-org-3892 314 27 , , , en-wikipedia-org-3892 314 28 or or CC en-wikipedia-org-3892 314 29 high high JJ en-wikipedia-org-3892 314 30 blood blood NN en-wikipedia-org-3892 314 31 pressure pressure NN en-wikipedia-org-3892 314 32 . . . en-wikipedia-org-3892 315 1 Less less RBR en-wikipedia-org-3892 315 2 common common JJ en-wikipedia-org-3892 315 3 causes cause NNS en-wikipedia-org-3892 315 4 include include VBP en-wikipedia-org-3892 315 5 various various JJ en-wikipedia-org-3892 315 6 cardiomyopathies cardiomyopathy NNS en-wikipedia-org-3892 315 7 . . . en-wikipedia-org-3892 316 1 Heart heart NN en-wikipedia-org-3892 316 2 failure failure NN en-wikipedia-org-3892 316 3 is be VBZ en-wikipedia-org-3892 316 4 frequently frequently RB en-wikipedia-org-3892 316 5 associated associate VBN en-wikipedia-org-3892 316 6 with with IN en-wikipedia-org-3892 316 7 weakness weakness NN en-wikipedia-org-3892 316 8 of of IN en-wikipedia-org-3892 316 9 the the DT en-wikipedia-org-3892 316 10 heart heart NN en-wikipedia-org-3892 316 11 muscle muscle NN en-wikipedia-org-3892 316 12 in in IN en-wikipedia-org-3892 316 13 the the DT en-wikipedia-org-3892 316 14 ventricles ventricle NNS en-wikipedia-org-3892 316 15 ( ( -LRB- en-wikipedia-org-3892 316 16 systolic systolic JJ en-wikipedia-org-3892 316 17 heart heart NN en-wikipedia-org-3892 316 18 failure failure NN en-wikipedia-org-3892 316 19 ) ) -RRB- en-wikipedia-org-3892 316 20 , , , en-wikipedia-org-3892 316 21 but but CC en-wikipedia-org-3892 316 22 can can MD en-wikipedia-org-3892 316 23 also also RB en-wikipedia-org-3892 316 24 be be VB en-wikipedia-org-3892 316 25 seen see VBN en-wikipedia-org-3892 316 26 in in IN en-wikipedia-org-3892 316 27 patients patient NNS en-wikipedia-org-3892 316 28 with with IN en-wikipedia-org-3892 316 29 heart heart NN en-wikipedia-org-3892 316 30 muscle muscle NN en-wikipedia-org-3892 316 31 that that WDT en-wikipedia-org-3892 316 32 is be VBZ en-wikipedia-org-3892 316 33 strong strong JJ en-wikipedia-org-3892 316 34 but but CC en-wikipedia-org-3892 316 35 stiff stiff JJ en-wikipedia-org-3892 316 36 ( ( -LRB- en-wikipedia-org-3892 316 37 diastolic diastolic JJ en-wikipedia-org-3892 316 38 heart heart NN en-wikipedia-org-3892 316 39 failure failure NN en-wikipedia-org-3892 316 40 ) ) -RRB- en-wikipedia-org-3892 316 41 . . . en-wikipedia-org-3892 317 1 The the DT en-wikipedia-org-3892 317 2 condition condition NN en-wikipedia-org-3892 317 3 may may MD en-wikipedia-org-3892 317 4 affect affect VB en-wikipedia-org-3892 317 5 the the DT en-wikipedia-org-3892 317 6 left left JJ en-wikipedia-org-3892 317 7 ventricle ventricle NN en-wikipedia-org-3892 317 8 ( ( -LRB- en-wikipedia-org-3892 317 9 causing cause VBG en-wikipedia-org-3892 317 10 predominantly predominantly RB en-wikipedia-org-3892 317 11 breathlessness breathlessness NN en-wikipedia-org-3892 317 12 ) ) -RRB- en-wikipedia-org-3892 317 13 , , , en-wikipedia-org-3892 317 14 the the DT en-wikipedia-org-3892 317 15 right right JJ en-wikipedia-org-3892 317 16 ventricle ventricle NN en-wikipedia-org-3892 317 17 ( ( -LRB- en-wikipedia-org-3892 317 18 causing cause VBG en-wikipedia-org-3892 317 19 predominantly predominantly RB en-wikipedia-org-3892 317 20 swelling swelling NN en-wikipedia-org-3892 317 21 of of IN en-wikipedia-org-3892 317 22 the the DT en-wikipedia-org-3892 317 23 legs leg NNS en-wikipedia-org-3892 317 24 and and CC en-wikipedia-org-3892 317 25 an an DT en-wikipedia-org-3892 317 26 elevated elevated JJ en-wikipedia-org-3892 317 27 jugular jugular JJ en-wikipedia-org-3892 317 28 venous venous JJ en-wikipedia-org-3892 317 29 pressure pressure NN en-wikipedia-org-3892 317 30 ) ) -RRB- en-wikipedia-org-3892 317 31 , , , en-wikipedia-org-3892 317 32 or or CC en-wikipedia-org-3892 317 33 both both DT en-wikipedia-org-3892 317 34 ventricles ventricle NNS en-wikipedia-org-3892 317 35 . . . en-wikipedia-org-3892 318 1 Patients patient NNS en-wikipedia-org-3892 318 2 with with IN en-wikipedia-org-3892 318 3 heart heart NN en-wikipedia-org-3892 318 4 failure failure NN en-wikipedia-org-3892 318 5 are be VBP en-wikipedia-org-3892 318 6 at at IN en-wikipedia-org-3892 318 7 higher high JJR en-wikipedia-org-3892 318 8 risk risk NN en-wikipedia-org-3892 318 9 of of IN en-wikipedia-org-3892 318 10 developing develop VBG en-wikipedia-org-3892 318 11 dangerous dangerous JJ en-wikipedia-org-3892 318 12 heart heart NN en-wikipedia-org-3892 318 13 rhythm rhythm NN en-wikipedia-org-3892 318 14 disturbances disturbance NNS en-wikipedia-org-3892 318 15 or or CC en-wikipedia-org-3892 318 16 arrhythmias arrhythmias NN en-wikipedia-org-3892 318 17 . . . en-wikipedia-org-3892 319 1 [ [ -LRB- en-wikipedia-org-3892 319 2 58 58 CD en-wikipedia-org-3892 319 3 ] ] -RRB- en-wikipedia-org-3892 319 4 Cardiomyopathies cardiomyopathie VBZ en-wikipedia-org-3892 319 5 Main Main NNP en-wikipedia-org-3892 319 6 article article NN en-wikipedia-org-3892 319 7 : : : en-wikipedia-org-3892 319 8 Cardiomyopathy Cardiomyopathy NNP en-wikipedia-org-3892 319 9 Cardiomyopathies Cardiomyopathies NNPS en-wikipedia-org-3892 319 10 are be VBP en-wikipedia-org-3892 319 11 diseases disease NNS en-wikipedia-org-3892 319 12 affecting affect VBG en-wikipedia-org-3892 319 13 the the DT en-wikipedia-org-3892 319 14 muscle muscle NN en-wikipedia-org-3892 319 15 of of IN en-wikipedia-org-3892 319 16 the the DT en-wikipedia-org-3892 319 17 heart heart NN en-wikipedia-org-3892 319 18 . . . en-wikipedia-org-3892 320 1 Some some DT en-wikipedia-org-3892 320 2 cause cause VBP en-wikipedia-org-3892 320 3 abnormal abnormal JJ en-wikipedia-org-3892 320 4 thickening thickening NN en-wikipedia-org-3892 320 5 of of IN en-wikipedia-org-3892 320 6 the the DT en-wikipedia-org-3892 320 7 heart heart NN en-wikipedia-org-3892 320 8 muscle muscle NN en-wikipedia-org-3892 320 9 ( ( -LRB- en-wikipedia-org-3892 320 10 hypertrophic hypertrophic JJ en-wikipedia-org-3892 320 11 cardiomyopathy cardiomyopathy NNP en-wikipedia-org-3892 320 12 ) ) -RRB- en-wikipedia-org-3892 320 13 , , , en-wikipedia-org-3892 320 14 some some DT en-wikipedia-org-3892 320 15 cause cause VBP en-wikipedia-org-3892 320 16 the the DT en-wikipedia-org-3892 320 17 heart heart NN en-wikipedia-org-3892 320 18 to to TO en-wikipedia-org-3892 320 19 abnormally abnormally RB en-wikipedia-org-3892 320 20 expand expand VB en-wikipedia-org-3892 320 21 and and CC en-wikipedia-org-3892 320 22 weaken weaken VB en-wikipedia-org-3892 320 23 ( ( -LRB- en-wikipedia-org-3892 320 24 dilated dilate VBN en-wikipedia-org-3892 320 25 cardiomyopathy cardiomyopathy NNP en-wikipedia-org-3892 320 26 ) ) -RRB- en-wikipedia-org-3892 320 27 , , , en-wikipedia-org-3892 320 28 some some DT en-wikipedia-org-3892 320 29 cause cause VBP en-wikipedia-org-3892 320 30 the the DT en-wikipedia-org-3892 320 31 heart heart NN en-wikipedia-org-3892 320 32 muscle muscle NN en-wikipedia-org-3892 320 33 to to TO en-wikipedia-org-3892 320 34 become become VB en-wikipedia-org-3892 320 35 stiff stiff JJ en-wikipedia-org-3892 320 36 and and CC en-wikipedia-org-3892 320 37 unable unable JJ en-wikipedia-org-3892 320 38 to to TO en-wikipedia-org-3892 320 39 fully fully RB en-wikipedia-org-3892 320 40 relax relax VB en-wikipedia-org-3892 320 41 between between IN en-wikipedia-org-3892 320 42 contractions contraction NNS en-wikipedia-org-3892 320 43 ( ( -LRB- en-wikipedia-org-3892 320 44 restrictive restrictive JJ en-wikipedia-org-3892 320 45 cardiomyopathy cardiomyopathy NNS en-wikipedia-org-3892 320 46 ) ) -RRB- en-wikipedia-org-3892 320 47 and and CC en-wikipedia-org-3892 320 48 some some DT en-wikipedia-org-3892 320 49 make make VBP en-wikipedia-org-3892 320 50 the the DT en-wikipedia-org-3892 320 51 heart heart NN en-wikipedia-org-3892 320 52 prone prone JJ en-wikipedia-org-3892 320 53 to to IN en-wikipedia-org-3892 320 54 abnormal abnormal JJ en-wikipedia-org-3892 320 55 heart heart NN en-wikipedia-org-3892 320 56 rhythms rhythm NNS en-wikipedia-org-3892 320 57 ( ( -LRB- en-wikipedia-org-3892 320 58 arrhythmogenic arrhythmogenic NNP en-wikipedia-org-3892 320 59 cardiomyopathy cardiomyopathy NNP en-wikipedia-org-3892 320 60 ) ) -RRB- en-wikipedia-org-3892 320 61 . . . en-wikipedia-org-3892 321 1 These these DT en-wikipedia-org-3892 321 2 conditions condition NNS en-wikipedia-org-3892 321 3 are be VBP en-wikipedia-org-3892 321 4 often often RB en-wikipedia-org-3892 321 5 genetic genetic JJ en-wikipedia-org-3892 321 6 and and CC en-wikipedia-org-3892 321 7 can can MD en-wikipedia-org-3892 321 8 be be VB en-wikipedia-org-3892 321 9 inherited inherit VBN en-wikipedia-org-3892 321 10 , , , en-wikipedia-org-3892 321 11 but but CC en-wikipedia-org-3892 321 12 some some DT en-wikipedia-org-3892 321 13 such such JJ en-wikipedia-org-3892 321 14 as as IN en-wikipedia-org-3892 321 15 dilated dilate VBN en-wikipedia-org-3892 321 16 cardiomyopathy cardiomyopathy NNP en-wikipedia-org-3892 321 17 may may MD en-wikipedia-org-3892 321 18 be be VB en-wikipedia-org-3892 321 19 caused cause VBN en-wikipedia-org-3892 321 20 by by IN en-wikipedia-org-3892 321 21 damage damage NN en-wikipedia-org-3892 321 22 from from IN en-wikipedia-org-3892 321 23 toxins toxin NNS en-wikipedia-org-3892 321 24 such such JJ en-wikipedia-org-3892 321 25 as as IN en-wikipedia-org-3892 321 26 alcohol alcohol NN en-wikipedia-org-3892 321 27 . . . en-wikipedia-org-3892 322 1 Some some DT en-wikipedia-org-3892 322 2 cardiomyopathies cardiomyopathy NNS en-wikipedia-org-3892 322 3 such such JJ en-wikipedia-org-3892 322 4 as as IN en-wikipedia-org-3892 322 5 hypertrophic hypertrophic JJ en-wikipedia-org-3892 322 6 cardiomopathy cardiomopathy NNP en-wikipedia-org-3892 322 7 are be VBP en-wikipedia-org-3892 322 8 linked link VBN en-wikipedia-org-3892 322 9 to to IN en-wikipedia-org-3892 322 10 a a DT en-wikipedia-org-3892 322 11 higher high JJR en-wikipedia-org-3892 322 12 risk risk NN en-wikipedia-org-3892 322 13 of of IN en-wikipedia-org-3892 322 14 sudden sudden JJ en-wikipedia-org-3892 322 15 cardiac cardiac JJ en-wikipedia-org-3892 322 16 death death NN en-wikipedia-org-3892 322 17 , , , en-wikipedia-org-3892 322 18 particularly particularly RB en-wikipedia-org-3892 322 19 in in IN en-wikipedia-org-3892 322 20 athletes athlete NNS en-wikipedia-org-3892 322 21 . . . en-wikipedia-org-3892 323 1 [ [ -LRB- en-wikipedia-org-3892 323 2 7 7 LS en-wikipedia-org-3892 323 3 ] ] -RRB- en-wikipedia-org-3892 323 4 Many many JJ en-wikipedia-org-3892 323 5 cardiomyopathies cardiomyopathy NNS en-wikipedia-org-3892 323 6 can can MD en-wikipedia-org-3892 323 7 lead lead VB en-wikipedia-org-3892 323 8 to to IN en-wikipedia-org-3892 323 9 heart heart NN en-wikipedia-org-3892 323 10 failure failure NN en-wikipedia-org-3892 323 11 in in IN en-wikipedia-org-3892 323 12 the the DT en-wikipedia-org-3892 323 13 later later JJ en-wikipedia-org-3892 323 14 stages stage NNS en-wikipedia-org-3892 323 15 of of IN en-wikipedia-org-3892 323 16 the the DT en-wikipedia-org-3892 323 17 disease disease NN en-wikipedia-org-3892 323 18 . . . en-wikipedia-org-3892 324 1 [ [ -LRB- en-wikipedia-org-3892 324 2 58 58 CD en-wikipedia-org-3892 324 3 ] ] -RRB- en-wikipedia-org-3892 324 4 Valvular valvular JJ en-wikipedia-org-3892 324 5 heart heart NN en-wikipedia-org-3892 324 6 disease disease NN en-wikipedia-org-3892 324 7 Main main JJ en-wikipedia-org-3892 324 8 article article NN en-wikipedia-org-3892 324 9 : : : en-wikipedia-org-3892 324 10 Valvular valvular JJ en-wikipedia-org-3892 324 11 heart heart NN en-wikipedia-org-3892 324 12 disease disease NN en-wikipedia-org-3892 324 13 Healthy healthy JJ en-wikipedia-org-3892 324 14 heart heart NN en-wikipedia-org-3892 324 15 valves valve NNS en-wikipedia-org-3892 324 16 allow allow VBP en-wikipedia-org-3892 324 17 blood blood NN en-wikipedia-org-3892 324 18 to to TO en-wikipedia-org-3892 324 19 flow flow VB en-wikipedia-org-3892 324 20 easily easily RB en-wikipedia-org-3892 324 21 in in IN en-wikipedia-org-3892 324 22 one one CD en-wikipedia-org-3892 324 23 direction direction NN en-wikipedia-org-3892 324 24 , , , en-wikipedia-org-3892 324 25 but but CC en-wikipedia-org-3892 324 26 prevent prevent VB en-wikipedia-org-3892 324 27 it -PRON- PRP en-wikipedia-org-3892 324 28 from from IN en-wikipedia-org-3892 324 29 flowing flow VBG en-wikipedia-org-3892 324 30 in in IN en-wikipedia-org-3892 324 31 the the DT en-wikipedia-org-3892 324 32 other other JJ en-wikipedia-org-3892 324 33 direction direction NN en-wikipedia-org-3892 324 34 . . . en-wikipedia-org-3892 325 1 Diseased disease VBN en-wikipedia-org-3892 325 2 heart heart NN en-wikipedia-org-3892 325 3 valves valve NNS en-wikipedia-org-3892 325 4 may may MD en-wikipedia-org-3892 325 5 have have VB en-wikipedia-org-3892 325 6 a a DT en-wikipedia-org-3892 325 7 narrow narrow JJ en-wikipedia-org-3892 325 8 opening opening NN en-wikipedia-org-3892 325 9 and and CC en-wikipedia-org-3892 325 10 therefore therefore RB en-wikipedia-org-3892 325 11 restrict restrict VBP en-wikipedia-org-3892 325 12 the the DT en-wikipedia-org-3892 325 13 flow flow NN en-wikipedia-org-3892 325 14 of of IN en-wikipedia-org-3892 325 15 blood blood NN en-wikipedia-org-3892 325 16 in in IN en-wikipedia-org-3892 325 17 the the DT en-wikipedia-org-3892 325 18 forward forward JJ en-wikipedia-org-3892 325 19 direction direction NN en-wikipedia-org-3892 325 20 ( ( -LRB- en-wikipedia-org-3892 325 21 referred refer VBN en-wikipedia-org-3892 325 22 to to IN en-wikipedia-org-3892 325 23 as as IN en-wikipedia-org-3892 325 24 a a DT en-wikipedia-org-3892 325 25 stenotic stenotic JJ en-wikipedia-org-3892 325 26 valve valve NN en-wikipedia-org-3892 325 27 ) ) -RRB- en-wikipedia-org-3892 325 28 , , , en-wikipedia-org-3892 325 29 or or CC en-wikipedia-org-3892 325 30 may may MD en-wikipedia-org-3892 325 31 allow allow VB en-wikipedia-org-3892 325 32 blood blood NN en-wikipedia-org-3892 325 33 to to TO en-wikipedia-org-3892 325 34 leak leak VB en-wikipedia-org-3892 325 35 in in IN en-wikipedia-org-3892 325 36 the the DT en-wikipedia-org-3892 325 37 reverse reverse JJ en-wikipedia-org-3892 325 38 direction direction NN en-wikipedia-org-3892 325 39 ( ( -LRB- en-wikipedia-org-3892 325 40 referred refer VBN en-wikipedia-org-3892 325 41 to to IN en-wikipedia-org-3892 325 42 as as RB en-wikipedia-org-3892 325 43 valvular valvular JJ en-wikipedia-org-3892 325 44 regurgitation regurgitation NN en-wikipedia-org-3892 325 45 ) ) -RRB- en-wikipedia-org-3892 325 46 . . . en-wikipedia-org-3892 326 1 Valvular valvular JJ en-wikipedia-org-3892 326 2 heart heart NN en-wikipedia-org-3892 326 3 disease disease NN en-wikipedia-org-3892 326 4 may may MD en-wikipedia-org-3892 326 5 cause cause VB en-wikipedia-org-3892 326 6 breathlessness breathlessness NN en-wikipedia-org-3892 326 7 , , , en-wikipedia-org-3892 326 8 blackouts blackout NNS en-wikipedia-org-3892 326 9 , , , en-wikipedia-org-3892 326 10 or or CC en-wikipedia-org-3892 326 11 chest chest NN en-wikipedia-org-3892 326 12 pain pain NN en-wikipedia-org-3892 326 13 , , , en-wikipedia-org-3892 326 14 but but CC en-wikipedia-org-3892 326 15 may may MD en-wikipedia-org-3892 326 16 be be VB en-wikipedia-org-3892 326 17 asymptomatic asymptomatic JJ en-wikipedia-org-3892 326 18 and and CC en-wikipedia-org-3892 326 19 only only RB en-wikipedia-org-3892 326 20 detected detect VBN en-wikipedia-org-3892 326 21 on on IN en-wikipedia-org-3892 326 22 a a DT en-wikipedia-org-3892 326 23 routine routine JJ en-wikipedia-org-3892 326 24 examination examination NN en-wikipedia-org-3892 326 25 by by IN en-wikipedia-org-3892 326 26 hearing hear VBG en-wikipedia-org-3892 326 27 abnormal abnormal JJ en-wikipedia-org-3892 326 28 heart heart NN en-wikipedia-org-3892 326 29 sounds sound VBZ en-wikipedia-org-3892 326 30 or or CC en-wikipedia-org-3892 326 31 a a DT en-wikipedia-org-3892 326 32 heart heart NN en-wikipedia-org-3892 326 33 murmur murmur NN en-wikipedia-org-3892 326 34 . . . en-wikipedia-org-3892 327 1 In in IN en-wikipedia-org-3892 327 2 the the DT en-wikipedia-org-3892 327 3 developed developed JJ en-wikipedia-org-3892 327 4 world world NN en-wikipedia-org-3892 327 5 , , , en-wikipedia-org-3892 327 6 valvular valvular JJ en-wikipedia-org-3892 327 7 heart heart NN en-wikipedia-org-3892 327 8 disease disease NN en-wikipedia-org-3892 327 9 is be VBZ en-wikipedia-org-3892 327 10 most most RBS en-wikipedia-org-3892 327 11 commonly commonly RB en-wikipedia-org-3892 327 12 caused cause VBN en-wikipedia-org-3892 327 13 by by IN en-wikipedia-org-3892 327 14 degeneration degeneration NN en-wikipedia-org-3892 327 15 secondary secondary JJ en-wikipedia-org-3892 327 16 to to IN en-wikipedia-org-3892 327 17 old old JJ en-wikipedia-org-3892 327 18 age age NN en-wikipedia-org-3892 327 19 , , , en-wikipedia-org-3892 327 20 but but CC en-wikipedia-org-3892 327 21 may may MD en-wikipedia-org-3892 327 22 also also RB en-wikipedia-org-3892 327 23 be be VB en-wikipedia-org-3892 327 24 caused cause VBN en-wikipedia-org-3892 327 25 by by IN en-wikipedia-org-3892 327 26 infection infection NN en-wikipedia-org-3892 327 27 of of IN en-wikipedia-org-3892 327 28 the the DT en-wikipedia-org-3892 327 29 heart heart NN en-wikipedia-org-3892 327 30 valves valve NNS en-wikipedia-org-3892 327 31 ( ( -LRB- en-wikipedia-org-3892 327 32 endocarditis endocarditis NN en-wikipedia-org-3892 327 33 ) ) -RRB- en-wikipedia-org-3892 327 34 . . . en-wikipedia-org-3892 328 1 In in IN en-wikipedia-org-3892 328 2 some some DT en-wikipedia-org-3892 328 3 parts part NNS en-wikipedia-org-3892 328 4 of of IN en-wikipedia-org-3892 328 5 the the DT en-wikipedia-org-3892 328 6 world world NN en-wikipedia-org-3892 328 7 rheumatic rheumatic JJ en-wikipedia-org-3892 328 8 heart heart NN en-wikipedia-org-3892 328 9 disease disease NN en-wikipedia-org-3892 328 10 is be VBZ en-wikipedia-org-3892 328 11 a a DT en-wikipedia-org-3892 328 12 major major JJ en-wikipedia-org-3892 328 13 cause cause NN en-wikipedia-org-3892 328 14 of of IN en-wikipedia-org-3892 328 15 valvular valvular JJ en-wikipedia-org-3892 328 16 heart heart NN en-wikipedia-org-3892 328 17 disease disease NN en-wikipedia-org-3892 328 18 , , , en-wikipedia-org-3892 328 19 typically typically RB en-wikipedia-org-3892 328 20 leading lead VBG en-wikipedia-org-3892 328 21 to to IN en-wikipedia-org-3892 328 22 mitral mitral JJ en-wikipedia-org-3892 328 23 or or CC en-wikipedia-org-3892 328 24 aortic aortic JJ en-wikipedia-org-3892 328 25 stenosis stenosis NN en-wikipedia-org-3892 328 26 and and CC en-wikipedia-org-3892 328 27 caused cause VBN en-wikipedia-org-3892 328 28 by by IN en-wikipedia-org-3892 328 29 the the DT en-wikipedia-org-3892 328 30 body body NN en-wikipedia-org-3892 328 31 's 's POS en-wikipedia-org-3892 328 32 immune immune JJ en-wikipedia-org-3892 328 33 system system NN en-wikipedia-org-3892 328 34 reacting react VBG en-wikipedia-org-3892 328 35 to to IN en-wikipedia-org-3892 328 36 a a DT en-wikipedia-org-3892 328 37 streptococcal streptococcal JJ en-wikipedia-org-3892 328 38 throat throat NN en-wikipedia-org-3892 328 39 infection infection NN en-wikipedia-org-3892 328 40 . . . en-wikipedia-org-3892 329 1 [ [ -LRB- en-wikipedia-org-3892 329 2 59][60 59][60 LS en-wikipedia-org-3892 329 3 ] ] -RRB- en-wikipedia-org-3892 329 4 Cardiac cardiac JJ en-wikipedia-org-3892 329 5 arrhythmias arrhythmias NN en-wikipedia-org-3892 329 6 Main Main NNP en-wikipedia-org-3892 329 7 article article NN en-wikipedia-org-3892 329 8 : : : en-wikipedia-org-3892 329 9 Heart heart NN en-wikipedia-org-3892 329 10 arrhythmia arrhythmia NN en-wikipedia-org-3892 329 11 An an DT en-wikipedia-org-3892 329 12 irregular irregular JJ en-wikipedia-org-3892 329 13 heartbeat heartbeat NN en-wikipedia-org-3892 329 14 Recording record VBG en-wikipedia-org-3892 329 15 of of IN en-wikipedia-org-3892 329 16 heart heart NN en-wikipedia-org-3892 329 17 sounds sound VBZ en-wikipedia-org-3892 329 18 from from IN en-wikipedia-org-3892 329 19 a a DT en-wikipedia-org-3892 329 20 16-year 16-year CD en-wikipedia-org-3892 329 21 - - HYPH en-wikipedia-org-3892 329 22 old old JJ en-wikipedia-org-3892 329 23 girl girl NN en-wikipedia-org-3892 329 24 with with IN en-wikipedia-org-3892 329 25 a a DT en-wikipedia-org-3892 329 26 cardiac cardiac JJ en-wikipedia-org-3892 329 27 arrhythmia arrhythmia NN en-wikipedia-org-3892 329 28 . . . en-wikipedia-org-3892 330 1 Problems problem NNS en-wikipedia-org-3892 330 2 playing play VBG en-wikipedia-org-3892 330 3 this this DT en-wikipedia-org-3892 330 4 file file NN en-wikipedia-org-3892 330 5 ? ? . en-wikipedia-org-3892 331 1 See see VB en-wikipedia-org-3892 331 2 media medium NNS en-wikipedia-org-3892 331 3 help help NN en-wikipedia-org-3892 331 4 . . . en-wikipedia-org-3892 332 1 While while IN en-wikipedia-org-3892 332 2 in in IN en-wikipedia-org-3892 332 3 the the DT en-wikipedia-org-3892 332 4 healthy healthy JJ en-wikipedia-org-3892 332 5 heart heart NN en-wikipedia-org-3892 332 6 , , , en-wikipedia-org-3892 332 7 waves wave NNS en-wikipedia-org-3892 332 8 of of IN en-wikipedia-org-3892 332 9 electrical electrical JJ en-wikipedia-org-3892 332 10 impulses impulse NNS en-wikipedia-org-3892 332 11 originate originate VBP en-wikipedia-org-3892 332 12 in in IN en-wikipedia-org-3892 332 13 the the DT en-wikipedia-org-3892 332 14 sinus sinus NN en-wikipedia-org-3892 332 15 node node NN en-wikipedia-org-3892 332 16 before before IN en-wikipedia-org-3892 332 17 spreading spread VBG en-wikipedia-org-3892 332 18 to to IN en-wikipedia-org-3892 332 19 the the DT en-wikipedia-org-3892 332 20 rest rest NN en-wikipedia-org-3892 332 21 of of IN en-wikipedia-org-3892 332 22 the the DT en-wikipedia-org-3892 332 23 atria atria NNP en-wikipedia-org-3892 332 24 , , , en-wikipedia-org-3892 332 25 the the DT en-wikipedia-org-3892 332 26 atrioventricular atrioventricular JJ en-wikipedia-org-3892 332 27 node node NN en-wikipedia-org-3892 332 28 , , , en-wikipedia-org-3892 332 29 and and CC en-wikipedia-org-3892 332 30 finally finally RB en-wikipedia-org-3892 332 31 the the DT en-wikipedia-org-3892 332 32 ventricles ventricle NNS en-wikipedia-org-3892 332 33 ( ( -LRB- en-wikipedia-org-3892 332 34 referred refer VBN en-wikipedia-org-3892 332 35 to to IN en-wikipedia-org-3892 332 36 as as IN en-wikipedia-org-3892 332 37 a a DT en-wikipedia-org-3892 332 38 normal normal JJ en-wikipedia-org-3892 332 39 sinus sinus NN en-wikipedia-org-3892 332 40 rhythm rhythm NN en-wikipedia-org-3892 332 41 ) ) -RRB- en-wikipedia-org-3892 332 42 , , , en-wikipedia-org-3892 332 43 this this DT en-wikipedia-org-3892 332 44 normal normal JJ en-wikipedia-org-3892 332 45 rhythm rhythm NN en-wikipedia-org-3892 332 46 can can MD en-wikipedia-org-3892 332 47 be be VB en-wikipedia-org-3892 332 48 disrupted disrupt VBN en-wikipedia-org-3892 332 49 . . . en-wikipedia-org-3892 333 1 Abnormal abnormal JJ en-wikipedia-org-3892 333 2 heart heart NN en-wikipedia-org-3892 333 3 rhythms rhythm NNS en-wikipedia-org-3892 333 4 or or CC en-wikipedia-org-3892 333 5 arrhythmias arrhythmias NN en-wikipedia-org-3892 333 6 may may MD en-wikipedia-org-3892 333 7 be be VB en-wikipedia-org-3892 333 8 asymptomatic asymptomatic JJ en-wikipedia-org-3892 333 9 or or CC en-wikipedia-org-3892 333 10 may may MD en-wikipedia-org-3892 333 11 cause cause VB en-wikipedia-org-3892 333 12 palpitations palpitation NNS en-wikipedia-org-3892 333 13 , , , en-wikipedia-org-3892 333 14 blackouts blackout NNS en-wikipedia-org-3892 333 15 , , , en-wikipedia-org-3892 333 16 or or CC en-wikipedia-org-3892 333 17 breathlessness breathlessness NN en-wikipedia-org-3892 333 18 . . . en-wikipedia-org-3892 334 1 Some some DT en-wikipedia-org-3892 334 2 types type NNS en-wikipedia-org-3892 334 3 of of IN en-wikipedia-org-3892 334 4 arrhythmia arrhythmia NN en-wikipedia-org-3892 334 5 such such JJ en-wikipedia-org-3892 334 6 as as IN en-wikipedia-org-3892 334 7 atrial atrial JJ en-wikipedia-org-3892 334 8 fibrillation fibrillation NN en-wikipedia-org-3892 334 9 increase increase VBP en-wikipedia-org-3892 334 10 the the DT en-wikipedia-org-3892 334 11 long long JJ en-wikipedia-org-3892 334 12 term term NN en-wikipedia-org-3892 334 13 risk risk NN en-wikipedia-org-3892 334 14 of of IN en-wikipedia-org-3892 334 15 stroke stroke NN en-wikipedia-org-3892 334 16 . . . en-wikipedia-org-3892 335 1 [ [ -LRB- en-wikipedia-org-3892 335 2 61 61 CD en-wikipedia-org-3892 335 3 ] ] -RRB- en-wikipedia-org-3892 335 4 Some some DT en-wikipedia-org-3892 335 5 arrhythmias arrhythmias NN en-wikipedia-org-3892 335 6 cause cause VBP en-wikipedia-org-3892 335 7 the the DT en-wikipedia-org-3892 335 8 heart heart NN en-wikipedia-org-3892 335 9 to to TO en-wikipedia-org-3892 335 10 beat beat VB en-wikipedia-org-3892 335 11 abnormally abnormally RB en-wikipedia-org-3892 335 12 slowly slowly RB en-wikipedia-org-3892 335 13 , , , en-wikipedia-org-3892 335 14 referred refer VBD en-wikipedia-org-3892 335 15 to to IN en-wikipedia-org-3892 335 16 as as IN en-wikipedia-org-3892 335 17 a a DT en-wikipedia-org-3892 335 18 bradycardia bradycardia NN en-wikipedia-org-3892 335 19 or or CC en-wikipedia-org-3892 335 20 bradyarrhythmia bradyarrhythmia NN en-wikipedia-org-3892 335 21 . . . en-wikipedia-org-3892 336 1 This this DT en-wikipedia-org-3892 336 2 may may MD en-wikipedia-org-3892 336 3 be be VB en-wikipedia-org-3892 336 4 caused cause VBN en-wikipedia-org-3892 336 5 by by IN en-wikipedia-org-3892 336 6 an an DT en-wikipedia-org-3892 336 7 abnormally abnormally RB en-wikipedia-org-3892 336 8 slow slow JJ en-wikipedia-org-3892 336 9 sinus sinus NN en-wikipedia-org-3892 336 10 node node NN en-wikipedia-org-3892 336 11 or or CC en-wikipedia-org-3892 336 12 damage damage NN en-wikipedia-org-3892 336 13 within within IN en-wikipedia-org-3892 336 14 the the DT en-wikipedia-org-3892 336 15 cardiac cardiac JJ en-wikipedia-org-3892 336 16 conduction conduction NN en-wikipedia-org-3892 336 17 system system NN en-wikipedia-org-3892 336 18 ( ( -LRB- en-wikipedia-org-3892 336 19 heart heart NN en-wikipedia-org-3892 336 20 block block NN en-wikipedia-org-3892 336 21 ) ) -RRB- en-wikipedia-org-3892 336 22 . . . en-wikipedia-org-3892 337 1 [ [ -LRB- en-wikipedia-org-3892 337 2 62 62 CD en-wikipedia-org-3892 337 3 ] ] -RRB- en-wikipedia-org-3892 337 4 In in IN en-wikipedia-org-3892 337 5 other other JJ en-wikipedia-org-3892 337 6 arrhythmias arrhythmia VBZ en-wikipedia-org-3892 337 7 the the DT en-wikipedia-org-3892 337 8 heart heart NN en-wikipedia-org-3892 337 9 may may MD en-wikipedia-org-3892 337 10 beat beat VB en-wikipedia-org-3892 337 11 abnormally abnormally RB en-wikipedia-org-3892 337 12 rapidly rapidly RB en-wikipedia-org-3892 337 13 , , , en-wikipedia-org-3892 337 14 referred refer VBD en-wikipedia-org-3892 337 15 to to IN en-wikipedia-org-3892 337 16 as as IN en-wikipedia-org-3892 337 17 a a DT en-wikipedia-org-3892 337 18 tachycardia tachycardia NN en-wikipedia-org-3892 337 19 or or CC en-wikipedia-org-3892 337 20 tachyarrhythmia tachyarrhythmia NN en-wikipedia-org-3892 337 21 . . . en-wikipedia-org-3892 338 1 These these DT en-wikipedia-org-3892 338 2 arrhythmias arrhythmia NNS en-wikipedia-org-3892 338 3 can can MD en-wikipedia-org-3892 338 4 take take VB en-wikipedia-org-3892 338 5 many many JJ en-wikipedia-org-3892 338 6 forms form NNS en-wikipedia-org-3892 338 7 and and CC en-wikipedia-org-3892 338 8 can can MD en-wikipedia-org-3892 338 9 originate originate VB en-wikipedia-org-3892 338 10 from from IN en-wikipedia-org-3892 338 11 different different JJ en-wikipedia-org-3892 338 12 structures structure NNS en-wikipedia-org-3892 338 13 within within IN en-wikipedia-org-3892 338 14 the the DT en-wikipedia-org-3892 338 15 heart heart NN en-wikipedia-org-3892 338 16 — — : en-wikipedia-org-3892 338 17 some some DT en-wikipedia-org-3892 338 18 arise arise VBP en-wikipedia-org-3892 338 19 from from IN en-wikipedia-org-3892 338 20 the the DT en-wikipedia-org-3892 338 21 atria atria NNP en-wikipedia-org-3892 338 22 ( ( -LRB- en-wikipedia-org-3892 338 23 e.g. e.g. RB en-wikipedia-org-3892 339 1 atrial atrial JJ en-wikipedia-org-3892 339 2 flutter flutter NNP en-wikipedia-org-3892 339 3 ) ) -RRB- en-wikipedia-org-3892 339 4 , , , en-wikipedia-org-3892 339 5 some some DT en-wikipedia-org-3892 339 6 from from IN en-wikipedia-org-3892 339 7 the the DT en-wikipedia-org-3892 339 8 atrioventricular atrioventricular JJ en-wikipedia-org-3892 339 9 node node NN en-wikipedia-org-3892 339 10 ( ( -LRB- en-wikipedia-org-3892 339 11 e.g. e.g. RB en-wikipedia-org-3892 340 1 AV AV NNP en-wikipedia-org-3892 340 2 nodal nodal NN en-wikipedia-org-3892 340 3 re re JJ en-wikipedia-org-3892 340 4 - - JJ en-wikipedia-org-3892 340 5 entrant entrant JJ en-wikipedia-org-3892 340 6 tachycardia tachycardia NN en-wikipedia-org-3892 340 7 ) ) -RRB- en-wikipedia-org-3892 340 8 whilst whilst IN en-wikipedia-org-3892 340 9 others other NNS en-wikipedia-org-3892 340 10 arise arise VBP en-wikipedia-org-3892 340 11 from from IN en-wikipedia-org-3892 340 12 the the DT en-wikipedia-org-3892 340 13 ventricles ventricle NNS en-wikipedia-org-3892 340 14 ( ( -LRB- en-wikipedia-org-3892 340 15 e.g. e.g. RB en-wikipedia-org-3892 341 1 ventricular ventricular NNP en-wikipedia-org-3892 341 2 tachycardia tachycardia NNP en-wikipedia-org-3892 341 3 ) ) -RRB- en-wikipedia-org-3892 341 4 . . . en-wikipedia-org-3892 342 1 Some some DT en-wikipedia-org-3892 342 2 tachyarrhythmias tachyarrhythmia NNS en-wikipedia-org-3892 342 3 are be VBP en-wikipedia-org-3892 342 4 caused cause VBN en-wikipedia-org-3892 342 5 by by IN en-wikipedia-org-3892 342 6 scarring scar VBG en-wikipedia-org-3892 342 7 within within IN en-wikipedia-org-3892 342 8 the the DT en-wikipedia-org-3892 342 9 heart heart NN en-wikipedia-org-3892 342 10 ( ( -LRB- en-wikipedia-org-3892 342 11 e.g. e.g. RB en-wikipedia-org-3892 343 1 some some DT en-wikipedia-org-3892 343 2 forms form NNS en-wikipedia-org-3892 343 3 of of IN en-wikipedia-org-3892 343 4 ventricular ventricular JJ en-wikipedia-org-3892 343 5 tachycardia tachycardia NN en-wikipedia-org-3892 343 6 ) ) -RRB- en-wikipedia-org-3892 343 7 , , , en-wikipedia-org-3892 343 8 others other NNS en-wikipedia-org-3892 343 9 by by IN en-wikipedia-org-3892 343 10 an an DT en-wikipedia-org-3892 343 11 irritable irritable JJ en-wikipedia-org-3892 343 12 focus focus NN en-wikipedia-org-3892 343 13 ( ( -LRB- en-wikipedia-org-3892 343 14 e.g. e.g. RB en-wikipedia-org-3892 344 1 focal focal JJ en-wikipedia-org-3892 344 2 atrial atrial JJ en-wikipedia-org-3892 344 3 tachycardia tachycardia NN en-wikipedia-org-3892 344 4 ) ) -RRB- en-wikipedia-org-3892 344 5 , , , en-wikipedia-org-3892 344 6 while while IN en-wikipedia-org-3892 344 7 others other NNS en-wikipedia-org-3892 344 8 are be VBP en-wikipedia-org-3892 344 9 caused cause VBN en-wikipedia-org-3892 344 10 by by IN en-wikipedia-org-3892 344 11 additional additional JJ en-wikipedia-org-3892 344 12 abnormal abnormal JJ en-wikipedia-org-3892 344 13 conduction conduction NN en-wikipedia-org-3892 344 14 tissue tissue NN en-wikipedia-org-3892 344 15 that that WDT en-wikipedia-org-3892 344 16 has have VBZ en-wikipedia-org-3892 344 17 been be VBN en-wikipedia-org-3892 344 18 present present JJ en-wikipedia-org-3892 344 19 since since IN en-wikipedia-org-3892 344 20 birth birth NN en-wikipedia-org-3892 344 21 ( ( -LRB- en-wikipedia-org-3892 344 22 e.g. e.g. RB en-wikipedia-org-3892 345 1 Wolff Wolff NNP en-wikipedia-org-3892 345 2 - - HYPH en-wikipedia-org-3892 345 3 Parkinson Parkinson NNP en-wikipedia-org-3892 345 4 - - HYPH en-wikipedia-org-3892 345 5 White White NNP en-wikipedia-org-3892 345 6 syndrome syndrome NN en-wikipedia-org-3892 345 7 ) ) -RRB- en-wikipedia-org-3892 345 8 . . . en-wikipedia-org-3892 346 1 The the DT en-wikipedia-org-3892 346 2 most most RBS en-wikipedia-org-3892 346 3 dangerous dangerous JJ en-wikipedia-org-3892 346 4 form form NN en-wikipedia-org-3892 346 5 of of IN en-wikipedia-org-3892 346 6 heart heart NN en-wikipedia-org-3892 346 7 racing racing NN en-wikipedia-org-3892 346 8 is be VBZ en-wikipedia-org-3892 346 9 ventricular ventricular JJ en-wikipedia-org-3892 346 10 fibrillation fibrillation NN en-wikipedia-org-3892 346 11 , , , en-wikipedia-org-3892 346 12 in in IN en-wikipedia-org-3892 346 13 which which WDT en-wikipedia-org-3892 346 14 the the DT en-wikipedia-org-3892 346 15 ventricles ventricle NNS en-wikipedia-org-3892 346 16 quiver quiver NNP en-wikipedia-org-3892 346 17 rather rather RB en-wikipedia-org-3892 346 18 than than IN en-wikipedia-org-3892 346 19 contract contract NN en-wikipedia-org-3892 346 20 , , , en-wikipedia-org-3892 346 21 and and CC en-wikipedia-org-3892 346 22 which which WDT en-wikipedia-org-3892 346 23 if if IN en-wikipedia-org-3892 346 24 untreated untreated JJ en-wikipedia-org-3892 346 25 is be VBZ en-wikipedia-org-3892 346 26 rapidly rapidly RB en-wikipedia-org-3892 346 27 fatal fatal JJ en-wikipedia-org-3892 346 28 . . . en-wikipedia-org-3892 347 1 [ [ -LRB- en-wikipedia-org-3892 347 2 63 63 CD en-wikipedia-org-3892 347 3 ] ] -RRB- en-wikipedia-org-3892 347 4 Pericardial pericardial JJ en-wikipedia-org-3892 347 5 disease disease NN en-wikipedia-org-3892 347 6 The the DT en-wikipedia-org-3892 347 7 sack sack NN en-wikipedia-org-3892 347 8 which which WDT en-wikipedia-org-3892 347 9 surrounds surround VBZ en-wikipedia-org-3892 347 10 the the DT en-wikipedia-org-3892 347 11 heart heart NN en-wikipedia-org-3892 347 12 , , , en-wikipedia-org-3892 347 13 called call VBN en-wikipedia-org-3892 347 14 the the DT en-wikipedia-org-3892 347 15 pericardium pericardium NN en-wikipedia-org-3892 347 16 , , , en-wikipedia-org-3892 347 17 can can MD en-wikipedia-org-3892 347 18 become become VB en-wikipedia-org-3892 347 19 inflamed inflame VBN en-wikipedia-org-3892 347 20 in in IN en-wikipedia-org-3892 347 21 a a DT en-wikipedia-org-3892 347 22 condition condition NN en-wikipedia-org-3892 347 23 known know VBN en-wikipedia-org-3892 347 24 as as IN en-wikipedia-org-3892 347 25 pericarditis pericarditis NN en-wikipedia-org-3892 347 26 . . . en-wikipedia-org-3892 348 1 This this DT en-wikipedia-org-3892 348 2 condition condition NN en-wikipedia-org-3892 348 3 typically typically RB en-wikipedia-org-3892 348 4 causes cause VBZ en-wikipedia-org-3892 348 5 chest chest NN en-wikipedia-org-3892 348 6 pain pain NN en-wikipedia-org-3892 348 7 that that WDT en-wikipedia-org-3892 348 8 may may MD en-wikipedia-org-3892 348 9 spread spread VB en-wikipedia-org-3892 348 10 to to IN en-wikipedia-org-3892 348 11 the the DT en-wikipedia-org-3892 348 12 back back NN en-wikipedia-org-3892 348 13 , , , en-wikipedia-org-3892 348 14 and and CC en-wikipedia-org-3892 348 15 is be VBZ en-wikipedia-org-3892 348 16 often often RB en-wikipedia-org-3892 348 17 caused cause VBN en-wikipedia-org-3892 348 18 by by IN en-wikipedia-org-3892 348 19 a a DT en-wikipedia-org-3892 348 20 viral viral JJ en-wikipedia-org-3892 348 21 infection infection NN en-wikipedia-org-3892 348 22 ( ( -LRB- en-wikipedia-org-3892 348 23 glandular glandular JJ en-wikipedia-org-3892 348 24 fever fever NN en-wikipedia-org-3892 348 25 , , , en-wikipedia-org-3892 348 26 cytomegalovirus cytomegalovirus NNP en-wikipedia-org-3892 348 27 , , , en-wikipedia-org-3892 348 28 or or CC en-wikipedia-org-3892 348 29 coxsackievirus coxsackievirus NNP en-wikipedia-org-3892 348 30 ) ) -RRB- en-wikipedia-org-3892 348 31 . . . en-wikipedia-org-3892 349 1 Fluid fluid NN en-wikipedia-org-3892 349 2 can can MD en-wikipedia-org-3892 349 3 build build VB en-wikipedia-org-3892 349 4 up up RP en-wikipedia-org-3892 349 5 within within IN en-wikipedia-org-3892 349 6 the the DT en-wikipedia-org-3892 349 7 pericardial pericardial JJ en-wikipedia-org-3892 349 8 sack sack NN en-wikipedia-org-3892 349 9 , , , en-wikipedia-org-3892 349 10 referred refer VBD en-wikipedia-org-3892 349 11 to to IN en-wikipedia-org-3892 349 12 as as IN en-wikipedia-org-3892 349 13 a a DT en-wikipedia-org-3892 349 14 pericardial pericardial JJ en-wikipedia-org-3892 349 15 effusion effusion NN en-wikipedia-org-3892 349 16 . . . en-wikipedia-org-3892 350 1 Pericardial pericardial JJ en-wikipedia-org-3892 350 2 effusions effusion NNS en-wikipedia-org-3892 350 3 often often RB en-wikipedia-org-3892 350 4 occur occur VBP en-wikipedia-org-3892 350 5 secondary secondary JJ en-wikipedia-org-3892 350 6 to to TO en-wikipedia-org-3892 350 7 pericarditis pericarditis VB en-wikipedia-org-3892 350 8 , , , en-wikipedia-org-3892 350 9 kidney kidney NN en-wikipedia-org-3892 350 10 failure failure NN en-wikipedia-org-3892 350 11 , , , en-wikipedia-org-3892 350 12 or or CC en-wikipedia-org-3892 350 13 tumours tumour NNS en-wikipedia-org-3892 350 14 , , , en-wikipedia-org-3892 350 15 and and CC en-wikipedia-org-3892 350 16 frequently frequently RB en-wikipedia-org-3892 350 17 do do VBP en-wikipedia-org-3892 350 18 not not RB en-wikipedia-org-3892 350 19 cause cause VB en-wikipedia-org-3892 350 20 any any DT en-wikipedia-org-3892 350 21 symptoms symptom NNS en-wikipedia-org-3892 350 22 . . . en-wikipedia-org-3892 351 1 However however RB en-wikipedia-org-3892 351 2 , , , en-wikipedia-org-3892 351 3 large large JJ en-wikipedia-org-3892 351 4 effusions effusion NNS en-wikipedia-org-3892 351 5 or or CC en-wikipedia-org-3892 351 6 effusions effusion NNS en-wikipedia-org-3892 351 7 which which WDT en-wikipedia-org-3892 351 8 accumulate accumulate VBP en-wikipedia-org-3892 351 9 rapidly rapidly RB en-wikipedia-org-3892 351 10 can can MD en-wikipedia-org-3892 351 11 compress compress VB en-wikipedia-org-3892 351 12 the the DT en-wikipedia-org-3892 351 13 heart heart NN en-wikipedia-org-3892 351 14 in in IN en-wikipedia-org-3892 351 15 a a DT en-wikipedia-org-3892 351 16 condition condition NN en-wikipedia-org-3892 351 17 known know VBN en-wikipedia-org-3892 351 18 as as IN en-wikipedia-org-3892 351 19 cardiac cardiac JJ en-wikipedia-org-3892 351 20 tamponade tamponade NN en-wikipedia-org-3892 351 21 , , , en-wikipedia-org-3892 351 22 causing cause VBG en-wikipedia-org-3892 351 23 breathlessness breathlessness NN en-wikipedia-org-3892 351 24 and and CC en-wikipedia-org-3892 351 25 potentially potentially RB en-wikipedia-org-3892 351 26 fatal fatal JJ en-wikipedia-org-3892 351 27 low low JJ en-wikipedia-org-3892 351 28 blood blood NN en-wikipedia-org-3892 351 29 pressure pressure NN en-wikipedia-org-3892 351 30 . . . en-wikipedia-org-3892 352 1 Fluid fluid NN en-wikipedia-org-3892 352 2 can can MD en-wikipedia-org-3892 352 3 be be VB en-wikipedia-org-3892 352 4 removed remove VBN en-wikipedia-org-3892 352 5 from from IN en-wikipedia-org-3892 352 6 the the DT en-wikipedia-org-3892 352 7 pericardial pericardial JJ en-wikipedia-org-3892 352 8 space space NN en-wikipedia-org-3892 352 9 for for IN en-wikipedia-org-3892 352 10 diagnosis diagnosis NN en-wikipedia-org-3892 352 11 or or CC en-wikipedia-org-3892 352 12 to to TO en-wikipedia-org-3892 352 13 relieve relieve VB en-wikipedia-org-3892 352 14 tamponade tamponade NN en-wikipedia-org-3892 352 15 using use VBG en-wikipedia-org-3892 352 16 a a DT en-wikipedia-org-3892 352 17 syringe syringe NN en-wikipedia-org-3892 352 18 in in IN en-wikipedia-org-3892 352 19 a a DT en-wikipedia-org-3892 352 20 procedure procedure NN en-wikipedia-org-3892 352 21 called call VBN en-wikipedia-org-3892 352 22 pericardiocentesis pericardiocentesis NN en-wikipedia-org-3892 352 23 . . . en-wikipedia-org-3892 352 24 ISNI ISNI NNP en-wikipedia-org-3892 352 25 : : : en-wikipedia-org-3892 352 26 0000 0000 CD en-wikipedia-org-3892 352 27 0001 0001 CD en-wikipedia-org-3892 352 28 2341 2341 CD en-wikipedia-org-3892 352 29 8061 8061 CD en-wikipedia-org-3892 352 30 LCCN LCCN NNP en-wikipedia-org-3892 352 31 : : : en-wikipedia-org-3892 352 32 n79086812 n79086812 NNP en-wikipedia-org-3892 352 33 LNB LNB NNP en-wikipedia-org-3892 352 34 : : : en-wikipedia-org-3892 352 35 000202233 000202233 CD en-wikipedia-org-3892 352 36 MBA mba NN en-wikipedia-org-3892 352 37 : : : en-wikipedia-org-3892 352 38 9c93120d-9953 9c93120d-9953 CD en-wikipedia-org-3892 352 39 - - HYPH en-wikipedia-org-3892 352 40 4346 4346 CD en-wikipedia-org-3892 352 41 - - HYPH en-wikipedia-org-3892 352 42 979c-852ff15893e5 979c-852ff15893e5 NNP en-wikipedia-org-3892 352 43 NDL NDL NNP en-wikipedia-org-3892 352 44 : : : en-wikipedia-org-3892 352 45 00442132 00442132 CD en-wikipedia-org-3892 352 46 NKC NKC NNP en-wikipedia-org-3892 352 47 : : : en-wikipedia-org-3892 352 48 jn20000700682 jn20000700682 NNP en-wikipedia-org-3892 352 49 NLA NLA NNP en-wikipedia-org-3892 352 50 : : : en-wikipedia-org-3892 352 51 40945963 40945963 CD en-wikipedia-org-3892 352 52 NLI NLI NNP en-wikipedia-org-3892 352 53 : : : en-wikipedia-org-3892 352 54 000058807 000058807 CD en-wikipedia-org-3892 352 55 NLK NLK NNP en-wikipedia-org-3892 352 56 : : : en-wikipedia-org-3892 352 57 KAC201861063 KAC201861063 NNP en-wikipedia-org-3892 352 58 NSK NSK NNP en-wikipedia-org-3892 352 59 : : : en-wikipedia-org-3892 352 60 000111397 000111397 CD en-wikipedia-org-3892 352 61 NTA NTA NNP en-wikipedia-org-3892 352 62 : : : en-wikipedia-org-3892 352 63 068602502 068602502 CD en-wikipedia-org-3892 352 64 RERO RERO NNS en-wikipedia-org-3892 352 65 : : : en-wikipedia-org-3892 352 66 02-A000082754 02-A000082754 NNP en-wikipedia-org-3892 352 67 RSL RSL NNP en-wikipedia-org-3892 352 68 : : : en-wikipedia-org-3892 352 69 000038488 000038488 CD en-wikipedia-org-3892 352 70 SELIBR selibr NN en-wikipedia-org-3892 352 71 : : : en-wikipedia-org-3892 352 72 58626 58626 CD en-wikipedia-org-3892 352 73 SUDOC sudoc NN en-wikipedia-org-3892 352 74 : : : en-wikipedia-org-3892 352 75 05056059X 05056059x NN en-wikipedia-org-3892 352 76 TDVİA tdvi̇a NN en-wikipedia-org-3892 352 77 : : : en-wikipedia-org-3892 352 78 hafiz hafiz RB en-wikipedia-org-3892 352 79 - - HYPH en-wikipedia-org-3892 352 80 i i PRP en-wikipedia-org-3892 352 81 - - HYPH en-wikipedia-org-3892 352 82 sirazi sirazi NNS en-wikipedia-org-3892 352 83 Trove trove NN en-wikipedia-org-3892 352 84 : : : en-wikipedia-org-3892 352 85 1449979 1449979 CD en-wikipedia-org-3892 352 86 ULAN ULAN NNP en-wikipedia-org-3892 352 87 : : : en-wikipedia-org-3892 352 88 500329586 500329586 CD en-wikipedia-org-3892 352 89 VcBA vcba NN en-wikipedia-org-3892 352 90 : : : en-wikipedia-org-3892 352 91 495/51559 495/51559 CD en-wikipedia-org-3892 352 92 VIAF viaf NN en-wikipedia-org-3892 352 93 : : : en-wikipedia-org-3892 352 94 56731778 56731778 CD en-wikipedia-org-3892 352 95 WorldCat WorldCat NNP en-wikipedia-org-3892 352 96 Identities Identities NNPS en-wikipedia-org-3892 352 97 : : : en-wikipedia-org-3892 352 98 lccn lccn NNP en-wikipedia-org-3892 352 99 - - HYPH en-wikipedia-org-3892 352 100 n79086812 n79086812 NNP en-wikipedia-org-3892 352 101 Retrieved retrieve VBN en-wikipedia-org-3892 352 102 from from IN en-wikipedia-org-3892 352 103 " " `` en-wikipedia-org-3892 352 104 https://en.wikipedia.org/w/index.php?title=Hafez&oldid=993760057 https://en.wikipedia.org/w/index.php?title=Hafez&oldid=993760057 NNP en-wikipedia-org-3892 352 105 " " '' en-wikipedia-org-3892 352 106 Categories category NNS en-wikipedia-org-3892 352 107 : : : en-wikipedia-org-3892 352 108 Persian persian JJ en-wikipedia-org-3892 352 109 poets poet NNS en-wikipedia-org-3892 352 110 14th 14th JJ en-wikipedia-org-3892 352 111 - - HYPH en-wikipedia-org-3892 352 112 century century NN en-wikipedia-org-3892 352 113 Persian persian JJ en-wikipedia-org-3892 352 114 poets poet NNS en-wikipedia-org-3892 352 115 Sufi Sufi NNP en-wikipedia-org-3892 352 116 poets poet VBZ en-wikipedia-org-3892 352 117 Mystic mystic JJ en-wikipedia-org-3892 352 118 poets poet NNS en-wikipedia-org-3892 352 119 Medieval medieval JJ en-wikipedia-org-3892 352 120 writers writer VBZ en-wikipedia-org-3892 352 121 People People NNS en-wikipedia-org-3892 352 122 from from IN en-wikipedia-org-3892 352 123 Shiraz Shiraz NNP en-wikipedia-org-3892 352 124 Medieval Medieval NNP en-wikipedia-org-3892 352 125 poets poet NNS en-wikipedia-org-3892 352 126 1320s 1320s CD en-wikipedia-org-3892 352 127 births birth NNS en-wikipedia-org-3892 352 128 1390 1390 CD en-wikipedia-org-3892 352 129 deaths death NNS en-wikipedia-org-3892 352 130 14th 14th JJ en-wikipedia-org-3892 352 131 - - HYPH en-wikipedia-org-3892 352 132 century century NN en-wikipedia-org-3892 352 133 Iranian iranian JJ en-wikipedia-org-3892 352 134 people people NNS en-wikipedia-org-3892 352 135 Angelic angelic JJ en-wikipedia-org-3892 352 136 visionaries visionary NNS en-wikipedia-org-3892 352 137 Injuid injuid NN en-wikipedia-org-3892 352 138 - - HYPH en-wikipedia-org-3892 352 139 period period NN en-wikipedia-org-3892 352 140 poets poet NNS en-wikipedia-org-3892 352 141 Hidden hide VBN en-wikipedia-org-3892 352 142 categories category NNS en-wikipedia-org-3892 352 143 : : : en-wikipedia-org-3892 352 144 Webarchive webarchive JJ en-wikipedia-org-3892 352 145 template template NN en-wikipedia-org-3892 352 146 wayback wayback NN en-wikipedia-org-3892 352 147 links link NNS en-wikipedia-org-3892 352 148 Articles article NNS en-wikipedia-org-3892 352 149 with with IN en-wikipedia-org-3892 352 150 short short JJ en-wikipedia-org-3892 352 151 description description NN en-wikipedia-org-3892 352 152 Short short JJ en-wikipedia-org-3892 352 153 description description NN en-wikipedia-org-3892 352 154 is be VBZ en-wikipedia-org-3892 352 155 different different JJ en-wikipedia-org-3892 352 156 from from IN en-wikipedia-org-3892 352 157 Wikidata Wikidata NNP en-wikipedia-org-3892 352 158 Articles Articles NNP en-wikipedia-org-3892 352 159 containing contain VBG en-wikipedia-org-3892 352 160 Persian persian JJ en-wikipedia-org-3892 352 161 - - HYPH en-wikipedia-org-3892 352 162 language language NN en-wikipedia-org-3892 352 163 text text NN en-wikipedia-org-3892 352 164 All all DT en-wikipedia-org-3892 352 165 articles article NNS en-wikipedia-org-3892 352 166 with with IN en-wikipedia-org-3892 352 167 self self NN en-wikipedia-org-3892 352 168 - - HYPH en-wikipedia-org-3892 352 169 published publish VBN en-wikipedia-org-3892 352 170 sources source NNS en-wikipedia-org-3892 352 171 Articles article NNS en-wikipedia-org-3892 352 172 with with IN en-wikipedia-org-3892 352 173 self self NN en-wikipedia-org-3892 352 174 - - HYPH en-wikipedia-org-3892 352 175 published publish VBN en-wikipedia-org-3892 352 176 sources source NNS en-wikipedia-org-3892 352 177 from from IN en-wikipedia-org-3892 352 178 December December NNP en-wikipedia-org-3892 352 179 2017 2017 CD en-wikipedia-org-3892 352 180 All all DT en-wikipedia-org-3892 352 181 articles article NNS en-wikipedia-org-3892 352 182 with with IN en-wikipedia-org-3892 352 183 unsourced unsourced JJ en-wikipedia-org-3892 352 184 statements statement NNS en-wikipedia-org-3892 352 185 Articles article NNS en-wikipedia-org-3892 352 186 with with IN en-wikipedia-org-3892 352 187 unsourced unsourced JJ en-wikipedia-org-3892 352 188 statements statement NNS en-wikipedia-org-3892 352 189 from from IN en-wikipedia-org-3892 352 190 November November NNP en-wikipedia-org-3892 352 191 2014 2014 CD en-wikipedia-org-3892 352 192 Articles article NNS en-wikipedia-org-3892 352 193 with with IN en-wikipedia-org-3892 352 194 unsourced unsourced JJ en-wikipedia-org-3892 352 195 statements statement NNS en-wikipedia-org-3892 352 196 from from IN en-wikipedia-org-3892 352 197 September September NNP en-wikipedia-org-3892 352 198 2020 2020 CD en-wikipedia-org-3892 352 199 Articles article NNS en-wikipedia-org-3892 352 200 with with IN en-wikipedia-org-3892 352 201 unsourced unsourced JJ en-wikipedia-org-3892 352 202 statements statement NNS en-wikipedia-org-3892 352 203 from from IN en-wikipedia-org-3892 352 204 September September NNP en-wikipedia-org-3892 352 205 2017 2017 CD en-wikipedia-org-3892 352 206 Pages Pages NNPS en-wikipedia-org-3892 352 207 using use VBG en-wikipedia-org-3892 352 208 div div NNP en-wikipedia-org-3892 352 209 col col NNP en-wikipedia-org-3892 352 210 with with IN en-wikipedia-org-3892 352 211 small small JJ en-wikipedia-org-3892 352 212 parameter parameter NN en-wikipedia-org-3892 352 213 Commons Commons NNP en-wikipedia-org-3892 352 214 category category NN en-wikipedia-org-3892 352 215 link link NN en-wikipedia-org-3892 352 216 is be VBZ en-wikipedia-org-3892 352 217 on on IN en-wikipedia-org-3892 352 218 Wikidata Wikidata NNP en-wikipedia-org-3892 352 219 Articles Articles NNPS en-wikipedia-org-3892 352 220 with with IN en-wikipedia-org-3892 352 221 Encyclopædia Encyclopædia NNP en-wikipedia-org-3892 352 222 Britannica Britannica NNP en-wikipedia-org-3892 352 223 links link VBZ en-wikipedia-org-3892 352 224 Articles article NNS en-wikipedia-org-3892 352 225 with with IN en-wikipedia-org-3892 352 226 Project Project NNP en-wikipedia-org-3892 352 227 Gutenberg Gutenberg NNP en-wikipedia-org-3892 352 228 links link VBZ en-wikipedia-org-3892 352 229 Articles article NNS en-wikipedia-org-3892 352 230 with with IN en-wikipedia-org-3892 352 231 Internet Internet NNP en-wikipedia-org-3892 352 232 Archive Archive NNP en-wikipedia-org-3892 352 233 links link NNS