AP BIOLOGY

Detailed explanation-1: -The systemic circulation carries blood from the heart to all the other parts of the body and back again.

Detailed explanation-2: -Systemic circulation moves blood between the heart and the rest of the body. It sends oxygenated blood out to cells and returns deoxygenated blood to the heart.

Detailed explanation-3: -systemic circulation, in physiology, the circuit of vessels supplying oxygenated blood to and returning deoxygenated blood from the tissues of the body, as distinguished from the pulmonary circulation.

Detailed explanation-4: -After oxygenation, the oxygenated blood returns to the left atrium of the heart through the pulmonary vein. The movement of blood between the heart and lungs is called the pulmonary circulation.

Detailed explanation-5: -It comprises the systemic circulation, which supplies blood to all parts of the body except the lungs, and the pulmonary circulation, which supplies blood to the lungs. Its function is to alter the blood distribution to meet the needs of the different tissues. The aorta is mainly an elastic structure.