What is the role of the diaphragm in breathing?
class 6
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Answer:
diaphragm is the mid portion of the body which helps in breathing that is inhailing of ow and exhailing cow.It increases volume of thoracic chamber.
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Answer:
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.
Explanation:
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