The size of the chest cavity increases during inhalation. True/Flase
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1
Answer:
Explanation:
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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3
Answer:
yes true
Explanation:
because in the time of inhalation the air enters in the lungs and it becomes big so it is true
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