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Lub sound produced by heart is caused by...

Lub sound produced by heart is caused by
1. ventricular diastole
2. ventricular systole
3. atrial diastole
4. atrial systole

A

ventricular diastole

B

ventricular systole

C

atrial diastole

D

atrial systole

Text Solution

Verified by Experts

The correct Answer is:
B
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