The function of serous fluid is to:
A)prevent friction within the alveoli
B)prevent friction between the pleural membranes
C)permit diffusion of gases in the alveoli
D)decrease the surface tension around the pleural membranes

Question

Quizplus · Accepted Answer

Serous fluid is secreted by the pleural membranes and fills the narrow space between the lungs and chest wall, creating a lubricating layer that reduces friction between the two surfaces during breathing movements. This helps to prevent discomfort and damage to the delicate membranes.

The Function of Serous Fluid Is To