Which of the following is a function of periciliary fluid?
A) It allows only air, but not food or liquid, into the respiratory tract.
B) It facilitates thickening of the mucus along the respiratory tract.
C) It acts as the site of gas exchange between the air and blood.
D) It causes turbulence in inhaled air in the nasal cavity.
E) It facilitates movement of mucus along the respiratory tract.

Question

Quizplus · Accepted Answer

Periciliary fluid facilitates movement of mucus along the respiratory tract by creating a thin layer of fluid on top of the cilia, allowing them to beat more effectively and move the mucus out of the respiratory tract.

Which of the Following Is a Function of Periciliary Fluid