A Study of the Human Heart (1837 words, 3 pages)
HEARTThe human heart is a specialized, four-chambered muscle that maintains BLOOD flow in the CIRCULATORYSYSTEM. Located in the thorax, it lies left of the body's midline, above and in contact with thediaphragm. It is situated immediately behind the breastbone, or sternum, and between the lungs, with itsapex tilted to the ...
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