kylieeeeesalch kylieeeeesalch

15-04-2020
Biology

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At the beginning every heartbeat the heart is what?

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kortneypadgett kortneypadgett

15-04-2020

Answer:

The heart is a pump, usually beating about 60 to 100 times per minute. With each heartbeat, the heart sends blood throughout our bodies, carrying oxygen ... It sends out an electrical signal to start the contracting (pumping) of the heart muscle.

Explanation:

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