3 years ago

Why cardiac cycle is a cycle?

Geography

2 answers:

zhannawk [14.2K]3 years ago

4 0

Answer:

its a b

Explanation:

yKpoI14uk [10]3 years ago

3 0

The cardiac cycle is the performance of the human heart from the ending of one heartbeat to the beginning of the next heartbeat.It consists of two periods: one during which the heart muscle relaxes and refills with blood, called diastole, following a period of robust contraction and pumping of blood, dubbed systole.

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