Evilove4rasli5fef Evilove4rasli5fef
  • 06-02-2017
  • Biology
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What causes the characteristic heart sounds?

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sundownmhinc
sundownmhinc sundownmhinc
  • 06-02-2017
because of the heart beating it makes a thunk noise. Your heart has a suction affect which makes the noise. 
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