Most inspired particles such as dust fail to reach the lungs because of the ________.
A) action of the epiglottis
B) ciliated mucous lining in the nose
C) porous structure of turbinate bones
D) abundant blood supply to nasal mucosa

Question

Quizplus · Accepted Answer

The ciliated mucous lining in the nose traps and removes most particles before they can reach the lungs. The epiglottis protects the trachea during swallowing, while the porous structure of turbinate bones and abundant blood supply to nasal mucosa help to warm and humidify the air we breathe.

Most Inspired Particles Such as Dust Fail to Reach the Lungs