Why does the air passage not collapse when there is no air in it?
Answers
Answered by
5
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. So, the correct option is 'cartilaginous rings'.
Answered by
0
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. So, the correct option is 'cartilaginous rings'.
Similar questions