Which of the following indicates the start of the systemic circuit?
A) pulmonary trunk
B) pulmonary arteries
C) vena cavae
D) ascending aorta
E) cardiac veins

Question

Quizplus · Accepted Answer

The ascending aorta indicates the start of the systemic circuit, as it is the first vessel that carries oxygenated blood away from the heart and to the rest of the body. The pulmonary trunk and pulmonary arteries are part of the pulmonary circuit, which carries deoxygenated blood to the lungs for oxygenation. The vena cavae and cardiac veins are part of the venous return system, which brings deoxygenated blood back to the heart.

Which of the Following Indicates the Start of the Systemic