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liarslynn liarslynn
  • 21-10-2015
  • Health
Answered

Why does your heart never tire of constantly beating to pump blood throughout your body?

Verified Answer :

BUBBLYBOB1 BUBBLYBOB1
  • 21-10-2015

A heart doesn't 'tire' because it's doing what it's supposed to do which is pump blood. The oxygen we breath is what makes it pump

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Anonymous Anonymous
  • 21-10-2015

Your heart gets oxygen.  It actually does tire, once you die.

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