when you exhale air diaphragm gets____.
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Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges. 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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When you exhale air diaphragm relaxes and returns to its domelike shape.
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