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Typical 'lub-dub' sound heard in heart b...

Typical 'lub-dub' sound heard in heart beat are due to

A

Closing of bicuspid and tricuspid valves

B

Closing of semilunar valves

C

Blood under pressure through aorta

D

Closure of bicupid-tricupid valves followed by semilunar valves

Text Solution

Verified by Experts

The correct Answer is:
D
Typical 'lub-dub' sounds heart in heart beat are due to closure of bicuspid-tricuspid valves followed by semilunar valves.
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