![]() ![]() ![]() ![]() Each side has an atrium (which receives blood as it enters) and a ventricle (from which blood is pumped out). The heart is divided into a right and left side, separated by a septum. On average, your heart will beat 100,000 times and pump about 2,000 gallons of blood each day. It pumps blood to all parts of the body through a network of blood vessels by continuously expanding and contracting. Your heart is a strong, muscular organ situated slightly to the left of your chest.
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