Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life. Following are the main functions of the heart: One of the primary functions of the human heart is to pump blood throughout the body. Blood delivers oxygen, hormones, glucose and other components to various parts of the body, including the human heart. The heart is a hollow muscular pumping organ that generates pressure to circulate the blood through the blo od vascular system under the influence of cardiac action potential. In general terms, it is a pump that regularly propels blood throughout the body and collects it back for recirculation. The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs ...
