Biology, asked by Anonymous, 5 months ago

What is heartbeat explain?

Answers

Answered by Anonymous

2

Answer:

the pulsation of the heart.

it gets fast when you truly love someone and his or her name or he/she comes in front suddenly ...

Answered by Anonymous

12

A heartbeat is a two-part pumping action that takes about a second. As blood collects in the upper chambers (the right and left atria), the heart's natural pacemaker (the SA node) sends out an electrical signal that causes the atria to contract.

Hope it is helpful (•‿•)

Happy propose *day***❤️❤️

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