Question

multiple choice questions. Semilunar valves prevent backflow of blood from (a) aorta into left ventricle (b) aorta into right ventricle (c) ventricle into vena cava (d) left ventricle into left auricle​

Answer 1

Answer:

option a

Explanation:

semilunar vessels are present btw left atria and ventricle and right atria and ventricle.

so, according to your question it prevents backflow of blood from aorta to left ventricle cause it carries oxygenated blood.

..hope it helps..