Multiple Choice
Which statement is NOT true of the alveoli of the lungs?
A) They are surrounded by pulmonary capillaries.
B) Diffusion of gases takes place across only six layers of cells.
C) Tissue fluid lining the alveoli permits the diffusion of gases.
D) Surfactant permits the inflation of alveoli by decreasing their internal surface tension.
Correct Answer:
Verified
Correct Answer:
Verified
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