Biology, asked by Bartwalesha, 1 year ago

17.Typical lub-dub' sounds heard during heartbeat are due to:

A Closing of Semilunar valves

B Blood under pressure through aorta

C Closing of bicuspid and tricuspid valves
D. Closure of bicuspid-tricuspid valves followed by Semilunar valves

Answers

Answered by suku28

1

Closure of bicuspid-tricuspid valves followed by Semilunar valves

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