Question

Why do the walls of trachea not collapse when there is not much air in it?

Answer 1

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The walls of trachea does not collapse even when there is less air in it, because of presence of the 'Rings of Cartilage' which give support to it and prevents it from collapsing.
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Answer 2

Answer:

Explanation:

trachea walls do not collapse when there is less air in it because it is suppoerted by rings of cartillage.

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