Question

size of chest cavity increases during inhalation true or false?​

Answer 1

Answer:

When you inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, into which your lungs expand. The intercostal muscles between your ribs also help enlarge the chest cavity. So when we take in air during inhalation, the size of the chest cavity increases

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Answer 2

Answer:

True

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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