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Systole refers to the contraction of...

Systole refers to the contraction of

A

SA node

B

AV node

C

Major arteries

D

Atria and ventricles

Text Solution

Verified by Experts

The correct Answer is:
D
Systole refers to contraction of atria (atrial systole) which propels blood into ventricles and contraction of ventricles (ventricular systole) expels blood into aorta and pulmonary artery.
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