Question

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

Answer 1

Answer:

In trachea , there are C shaped rings of cartilage which helps to hold them even when the air is less in it . Hence they do not collapse.

Answer 2

Answer:

The trachea is supported by c-shaped rings of cartilage which hold them in place when there is less air inside it. Due to this, the walls of trachea do not collapse even when there is a little air.