Question

explain meaning of this sentence
" Rings kf cartilage Ensure that the air-passage does not collapse "​

Answer 1

Explanation:

Ring of cartilage present in trachea, bronchi and bronchioles prevent their collapse when air is not passing through them. There are fifteen to twenty incomplete C-shaped tracheal rings of cartilage that reinforce the front and sides of the trachea to protect and maintain the airway. There is also lining of hyaline cartilage in the bronchi and bronchioles to give them structural support when air is not passing through them.