Question

What prevent backflow of blood inside the heart during contraction?

Answer 1

Answer:

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

Explanation:

Answer 2

Answer:

Explanation:

heya

valves in heart prevents backflow of blood inside the heart during contraction

hope helps uhh