Question

what is cardiac cycle​

Answer 1

Answer:

cardiac cycle is the performance of the human heart from the ending of one heartbeat to the beginning of the next. 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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Answer 2

Answer:

cardiac cycle os the performance of the human heart from the ending one heart beat to the beginning of the next.