what is diaphragm and what is its role in breathing
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The diaphragm, located below the lungs, is the major muscle of respiration. ... This contraction creates a vacuum, which pulls air into the lungs. Upon exhalation, the diaphragm relaxes and returns to its domelike shape, and air is forced out of the lungs.
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The diaphragm, located below the lungs, is the major muscle of respiration. ... This contraction creates a vacuum, which pulls air into the lungs. Upon exhalation, the diaphragm relaxes and returns to its domelike shape, and air is forced out of the lungs.
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