what is the function of the trachea yahoo answers
Best Answer: The trachea is the part of the human respiratory system that conducts the path of air from the external nasal cavity (nostrils) to the lungs.It is lined by 'C'- shaped cartilaginous rings that prevent it from collapsing.Before entering into the lungs, the trachea further divides into Bronchi and Bronchioles which eventually lead to the Alveoli where the exchange of gasses takes place. Hope this helped :) - Saad Mustafa.eport Abuse. The trachea is more commonly known as the windpipe. It is the airway through which respiratory air passes in organisms. The trachea, commonly known as the windpipe, is a tube about 4 inches long and less than an inch in diameter in most people.