Question

Closure of semilunar valves during ventricular diastole is due to​

Answer 1

Answer:

When pressure within the ventricles drops below pressure in both the pulmonary trunk and aorta, blood flows back toward the heart, producing the dicrotic notch (small dip) seen in blood pressure tracings. The semilunar valves close to prevent backflow into the heart.

Answer 2

Answer:

here's ur answer dude

Explanation:

Ventricular Diastole

When pressure within the ventricles drops below pressure in both the pulmonary trunk and aorta, blood flows back toward the heart, producing the dicrotic notch (small dip) seen in blood pressure tracings. The semilunar valves close to prevent backflow into the heart.

hope it helps