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The second heart sound (dub) is associat...

The second heart sound (dub) is associated with the closure of

A

tricuspid valve

B

semilunar valves

C

biscuspid valve

D

tricuspid and biscuspid valves

Text Solution

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The correct Answer is:
B
During beginning of venticular diastole the ventricles relax and the semilunar valves are closed. This causes the second heart sound (dubb).
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NCERT FINGERTIPS-BODY FLUIDS AND CIRCULATION-Body Fluids And Circulation
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