More than just a mechanical pump, the human heart is a masterpiece of biological engineering—a marvel of precision, resilience, and coordination. Heart, organ that serves as a pump to circulate the blood. The heart is one of the most important organs in the human body.
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The heart is a muscular organ about the size of a closed fist, which sits in the chest, slightly to the left of center. They connect your heart to the rest of your body, which it supplies with blood and oxygen. This image shows the four chambers of the heart and the direction that blood flows through the heart.
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.
Large blood vessels go into and out of your heart to bring blood into and away from your heart. The functions of the heart are to: It operates in harmony with the. In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middle compartment of the chest, called the mediastinum.
Your heart is a vital organ. Your heart is a muscle that pumps blood and oxygen to all parts of your body. Your heart also has its own blood supply. Explore the anatomy and core functions of the heart with innerbody's interactive 3d model.
