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What is the duration of the cardiac cycle in Human beings?

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0.88 sec

0.8 sec

8 sec

0.008 sec

answer is A.

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Detailed Solution

The human heart beats 72 times per minute which means that there are 72 cardiac cycles per minute. The cycle involves complete contraction and relaxation of the atria and ventricles.

At a heartbeat of 72 beats/minute, the duration of each cardiac cycle will be 0.8 seconds.

The cardiac cycle refers to the sequence of events that occur during a single heartbeat, including the contraction and relaxation of the heart's chambers, the opening and closing of the heart valves, and the ejection of blood from the heart into the circulatory system. The cardiac cycle consists of two main phases: diastole, during which the heart relaxes and fills with blood, and systole, during which the heart contracts and pumps blood out of the heart.

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