Question

What is the period of relaxation of the heart called?

a.

Systole

b.

Diastole

c.

Coronary cycle

d.

Cardiac cycle

Answer: (b).Diastole Explanation:The period of relaxation of the heart is called diastole, while the period of contraction is called systole.

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Q. What is the period of relaxation of the heart called?

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