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Human Heart – Diagram and Anatomy of the Heart - Innerbody
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Cholesterol and Artery Plaque Buildup - WebMD
WebJul 20, 1998 · The pumping of the heart, or the heartbeat, is caused by alternating contractions and relaxations of the myocardium. These contractions are stimulated by electrical impulses from a natural pacemaker, the sinoatrial, or S-A, node located in the … The heart is the organ, or body part, that pumps blood through the body. It is the … heart sound, audible rhythmic vibrations in the heart, typically heard through a … systole, period of contraction of the ventricles of the heart that occurs … Other articles where heart valve is discussed: cardiovascular disease: … WebSep 30, 2024 · The heart beats around 100,000 times a day, pumping approximately 8 pints of blood throughout the body 24/7. This delivers oxygen- and nutrient-rich blood to tissues and organs and carries away ... WebSep 26, 2024 · The heart forms from an embryonic tissue called mesoderm around 18 to 19 days after fertilization. Mesoderm is one of the three … spongebob scaredy pants watch online