Geography, asked by saaanjeev, 9 months ago

When we breathe out, why does the air passage not collapse?

Answers

Answered by Anonymous
7

The air passage, i.e. trachea is supported by incomplete cartilaginous rings, which prevent its collapsing in the absence of air.

Answered by lovelysingh55
0

Answer:

Hope this will help you. ..@@

Attachments:
Similar questions