Q. The number of valves that guard the opening at the origin of caroticosystemic aorta is

A) Two
B) Three
C) Four
D) One
Explanation

Carotico systemic aorta arises from left ventricle. It forms the carotic systemic arch of left side. Each arch or aorta has three cup like semilunar valves to prevent the back flow of blood from the arch into the ventricle.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.