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