ANATOMY

Detailed explanation-1: -The right ventricle (RV) pumps oxygen-poor blood through the pulmonary valve (PV) into the main pulmonary artery (MPA). From there, the blood flows through the right and left pulmonary arteries into the lungs.

Detailed explanation-2: -The right ventricle pumps the blood through the pulmonary valve and into your lungs, where it picks up oxygen. The oxygen-rich blood then flows to the left atrium.

Detailed explanation-3: -Figure 1-Chambers of the heart The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle. The left ventricle pumps the oxygen-rich blood to the body.

Detailed explanation-4: -The two atria are thin-walled chambers that receive blood from the veins. The two ventricles are thick-walled chambers that forcefully pump blood out of the heart.

Detailed explanation-5: -Your aortic valve is one of your four heart valves. It connects your: Left ventricle, the heart chamber that pumps blood from your heart to the rest of your body.