Question

8. Heart sounds are produced due to (a) Closure of tricuspid and bicuspid valves (b) Rushing of blood through valves producing turbulence (c) Closure of atrioventricular and semilunar valves (d) Entry of blood into auricles VO​

Answer 1

Answer:

Closure of atrioventricular and semilunar valves.

The first heart sound Lubb is heard due to the closure of the tricuspid and bicuspid valves during ventricular systole. The second sound dubb is heard due to the closure of the semilunar valves during ventricular diastole.

So, the correct answer is 'Closure of atrioventricular and semilunar valves.'

Explanation:

l hope this helps u

Answer 2

Explanation:

hope it help I took a screenshot and paste it but I walk Hard on searching answer foe the question