This document describes the main parts of the heart and their functions. It discusses how the superior vena cava and inferior vena cava deliver deoxygenated blood to the right atrium. It then explains that the right ventricle pumps deoxygenated blood to the lungs via the pulmonary artery and the left ventricle pumps oxygenated blood from the lungs to the body through the aorta. The document also mentions the roles of the valves in regulating blood flow through the heart chambers. - Download…
32
