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By Dalbo | Dec 12, 2025

complete guide 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. latest update What is the function of the heart?.

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These generate an electric current that causes the heart to contract, traveling. [8] the heart pumps blood with a rhythm determined by a group of pacemaker cells in the sinoatrial node. Examples include heart attack, heart failure, and arrhythmias. Electrical impulses make your heart beat, moving blood through these chambers. Heart, organ that serves as a pump to circulate the blood. It is located in the upper body (chest area) between the lungs and with its broad base facing. Medical conditions that affect the heart can interrupt its function. Your brain and nervous system direct your heart’s function.

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Oxygenated blood from the lungs returns to the heart via the pulmonary veins, entering the left atrium. Learn about the heart's anatomy, how it functions, blood flow through the heart and lungs, its location, artery appearance, and how it beats. The heart is a hollow muscular pumping organ that generates pressure to circulate the blood through the blood vascular system under the influence of cardiac action potential. Explore the heart anatomy with its parts, names & a clear diagram. Passage to the left ventricle: Learn how the heart functions & its crucial role in the circulatory system Oxygenated blood returns to the heart: