Which part of the heart contracts to pump blood out into the arteries through a set of valves?

Question

Which part of the heart contracts to pump blood out into the arteries through a set of valves?​

Quizplus · Accepted Answer

The ventricle is the lower chamber of the heart that contracts to pump blood out into the arteries through a set of valves known as the semilunar valves. The aorta is the main artery that carries oxygenated blood from the heart to the rest of the body, but it doesn't contract to pump the blood. The atrium is the upper chamber of the heart that receives blood from the veins, but it doesn't pump blood out. The vena cava is the largest vein that carries deoxygenated blood back to the heart. The capillaries are the smallest blood vessels that facilitate the exchange of gases and nutrients between the blood and tissues.

Which Part of the Heart Contracts to Pump Blood Out