Biology, asked by dcpraju243, 3 months ago

what are the imaginary relaxation of atria and ventricles​

Answers

Answered by Anonymous
1

Answer:

The period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood into circulation is called systole.

Explanation:

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Answered by jaigopal6111
1

Answer:

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