Question

Why do the walls of the trachea not collapse’when there is less air in it?​

Answer 1

Answer:

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Rings of cartilages are present in trachea. These rings support the trachea and do not allow the trachea to collapse when there is less air in it.

Answer 2

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The trachea is covered by incomplete C- shaped cartilaginous rings . The trachea is composed of about 20 rings of tough cartilage. The back part of each ring is made of muscle and connective tissue. This ring prevents trachea from collapsing when there is less air in it.