Question

plz explain the process of transfer of blood to human heart to body and vice versa.Please reply,it is urgent.

Answer 1

The carbon dioxide rich blood has to rich the lung for the carbon dioxide to be removed. The oxygen rich blood is then pumped to the rest of the body. It comes from the lungs from the left atrium. It relaxes when it is collecting blood. It then contract when the left ventricle expands. So that blood is transported to it. When the muscular left ventricle contacts the blood is pumped out to the body.
Deoxygenated blood come from the body to the upper chamber on the right atrium. As the atrium contacts the right ventricle which in terms pump it to the lungs for oxygenation.

Answer 2

the blood from the body which is deoxygenated comes to the heart through pulmonary artery, and then it is transferred to lungs, and in same way from lungs the oxygenated blood is spread throughout the body through the pulmonary viens