Home
Class 12
BIOLOGY
Doctors use stethoscope to hear the soun...

Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when

A

AV node receives signal from SA node

B

AV valves open up

C

Ventricular walls vibrate due to gushing in of blood from atria

D

Semilunar valves close down after the blood flows into vessels from ventricles

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

In cardiac cycle, "Dup" sound is heard when

The first heart sound is produced when

Dup sound is produced during closure of

How are "Lub" and "Dup" sounds are produced during cardiac cycle?

The heart sound murmur is heard during

Which among the following is correct during each cardiac cycle ?

Which among the following is correct during each cardiac cycle