Semilunar valves guard the openings between - Sri Chaitanya Infinity Learn Best Online Courses for NCERT Solutions, CBSE, ICSE, JEE, NEET, Olympiad and Class 6 to 12

A
only right atrium and right ventricle.
B
only left atrium and left ventricle.
C
both the right and left atria into the right and left ventricles respectively.
D
both the right and the left ventricles into the pulmonary artery and the aorta respectively.

Solution:

The openings of the right and the left ventricles into the pulmonary artery and the aorta respectively are provided with the semilunar valves. These valves prevent any backward flow.