Science, asked by siddhiangel12344455, 2 months ago

why does the heart beat?

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Answered by nikhilrai27

Answer:

When the heart beats, arteries expand as they fill with blood. When the heart relaxes, the arteries contract. It's this rhythm between the heart and the arteries that powers your circulation system and keeps your blood flowing.

Answered by angeljayasing200840

Answer:

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why does the heart beat?​

Answers

why does the heart beat?