Question

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

Answer 1

Answer:

A normal trachea (windpipe) has many rings made of cartilage (a strong and flexible tissue). These rings are C-shaped and support the trachea but also allow it to move and flex

so the wall of trachea nit collapse even sir is less in it

Answer 2

Answer:

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.

Explanation:

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