Question

explaine the cardiac cycle.?

Answer 1

The cardiac cycle is the sequence of events that occurs when the heart beats. As the heart beats, it circulates blood through pulmonary and systemic circuits of the body. There are two phases of the cardiac cycle. In the diastole phase, the heart ventricles are relaxed and the heart fills with blood.

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Answer 2

The mechanical events occurring during one systole and diastole.

One cardiac cycle = 1 systole + 1 diastole