Question

explain the cardia cycle​

Answer 1

Answer:

The 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:

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