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Structure Related to Function of the Heart.
Member rating: No Rating | Words: | Submitted: Mon Jun 28 2004
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Felicity Roussak 05/10/87 Structure Related to Function of the Heart The heart is the pumping station of the body. It is infact two completely seperate pumps, one pushing deoxygenated blood to the lungs to oxygenate it through diffusion through the alvoli in the lungs, the other to pump the freshly oxygenated blood around the body. The two pumps consist of an atrium and a ventricle, and are seperated by the septrum, a thick muscular wall down the middle of the heart, which prevents oxygenated and deoxygenated blood from mixing, and also aids contraction of the heart- more detail on this later. The two sides of the heart differ slightly because of their different fuctions. At the top of the heart, both have a thin walled atrium, which collects blood from the main veins of the body, the pulmonary vein on the left and the anterior and posterior vena cava on the right....
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