Two atria and two ventricles. · the heart is a vital, fist-sized muscular organ located slightly on the left side of the chest. It is a muscular organ around the size of a closed fist, and it sits in the chest, slightly to the left of center. · explore the heart anatomy with its parts, names & a clear diagram. Oxygen-poor blood, shown in blue-purple, flows into the heart and is pumped out to the lungs. Your heart is the main organ of your cardiovascular system, a network of blood vessels that pumps blood throughout your body. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds. · the human heart is a finely-tuned instrument that serves the whole body. Learn how the heart functions & its crucial role in the circulatory system It is found in the middle mediastinum, wrapped in a two-layered serous sac called the pericardium. · 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. 1 understanding its basic anatomy is crucial to understanding how it functions. · heart, organ that serves as a pump to circulate the blood. · this image shows the four chambers of the heart and the direction that blood flows through the heart. The heart pumps blood with a rhythm determined by a group of pacemaker cells in the sinoatrial node. These generate an electric current that causes the heart to contract, traveling through the atrioventricular node and along the conduction system of the heart. · learn about the hearts anatomy, how it functions, blood flow through the heart and lungs, its location, artery appearance, and how it beats. It consists of four main chambers: · the heart is a muscular organ that pumps blood around the body by circulating it through the circulatory/vascular system.
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Two atria and two ventricles. · the heart is a vital, fist-sized muscular organ located slightly on the left side of the chest. It is...
