Heart Muscle Anatomy. The heart is a muscular organ that pumps blood throughout the body. The heart is a muscular organ that serves to collect deoxygenated blood from all parts of the body carries it to the lungs to be oxygenated and release carbon dioxide.
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Human Heart Anatomy 106. This thick layer is the muscle that contracts to. In most people the heart is located on the left side of the chest beneath the breastbone.
Cardiac muscle found only in the myocardium contracts in response to signals from the cardiac conduction system to make the heart beat.
Location of the Heart. The human heart is located within the thoracic cavity medially between the lungs in the space known as the mediastinum. Because the heart points to the left about 23 of the hearts mass is found on the left side of the body and the other 13 is on the right. Inside these veins are small one-way valves.
