Question

What is the definition of the cardiac cycle?

a.

The contraction of the atria

b.

Circulation of the blood in the heart

c.

The contraction and relaxation of the ventricles

d.

It is a sequence of event that occurs during one complete heartbeat

Answer: (d).It is a sequence of event that occurs during one complete heartbeat

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Q. What is the definition of the cardiac cycle?

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