Question

how do the air passage not collapse the throat​

Answer 1

Answer:

The trachea is about 4.5 inches long and 1 inch in diameter, and is comprised of smooth muscle and several c-shaped rings of cartilage. The rings of cartilage provide stability and help to prevent the trachea from collapsing and blocking off the airways.

Explanation:

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Answer 2

Explanation:

The  trachea  or  windpipe  connects  the  pharynx    and  larynx    to  our  lungs.

this  allows  air  to  pass  in  and  out.    As  trachea  made  of  cartilaginous  rings  which  are  of  C  shape,it  prevents  the  air  passage  from  collapsing  when  we  breathe  out  air