Question

Explain cardiac cycle

Answer 1

The cardiac cycle is the sequence of events that occurs when the heart beats...In the diastole phase , the heart ventricles are relaxed and the heart fills with blood . In the systole phase ,the ventricles contract and pump blood out of the heart and to arteries.

Answer 2

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$\small\underline\mathbb\pink{{Cardiac\:Cycle}}$ Cardiac events that occur from the beginning of one heartbeat to the befinning of the next is called cardiac cycle. Its duration is about 0.8 sec.

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