The main function of serous fluid is to
A) lubricate and reduce friction between pleural membranes around the lung.
B) improve adhesion of the lungs to the thoracic wall.
C) facilitate the diffusion of oxygen across the respiratory membrane.

Question

Quizplus · Accepted Answer

Serous fluid primarily acts as a lubricant to reduce friction between the pleural membranes surrounding the lungs during breathing movements.

The Main Function of Serous Fluid Is to