(A) Opening of inlet valve (X)
(B) Closure of inlet valve ()
(C) Opening of outlet valve (X)
(D) Closure of outlet valve (X)
Answers: “lubb” sound is prodcued due to closure of inlet valve.
(A) Opening of inlet valve (X)
(B) Closure of inlet valve ()
(C) Opening of outlet valve (X)
(D) Closure of outlet valve (X)
Answers: “lubb” sound is prodcued due to closure of inlet valve.
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