Question

what prevent the backflow of blood in

heart.

a. Septa b. Valves

c. Arteries d. Veins​

Answer 1

Answer:

c

Explanation:

the arteries.The pulmonary valve sits between the right ventricle and the pulmonary artery. Its role is to prevent the backflow of blood into the right ventricle after it contracts. The aortic valve sits between the left ventricle and the aorta and prevents backflow of blood into the left ventricle after it contracts.