What is the function of trachea why do the wall do not collapse even when there is less air in it

What is the function of trachea why do the wall do not collapse even w

1.	What is the function of trachea why do the wall do not collapse even when there is less air in it
Answer» The cartilage provides support to the trachea which does not collapse even when there is less air in it.The trachea or the windpipe is a cartilaginous cylinder that interfaces the pharynx and larynx to the lungs, permitting the entry of air, as is available in practically all air-breathing creatures with lungs.The trachea reaches out from the larynx and branches into the two essential bronchi. At the top of the trachea, a completed ring of cartilage is located, which protects it from getting damaged or collapsed when the flow of air is inadequate.