Question

Diaphragm becomes flat during exhalation (true & false)​

Answer 1

Answer:

Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges. ... Upon exhalation, the diaphragm relaxes and returns to its domelike shape, and air is forced out of the lungs.

Explanation:

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Answer 2

Answer:

true.

Explanation:

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