Multiple Choice
Which statement about lung surfactant is true?
A) It is found in reptiles,amphibians,and mammals.
B) It reduces the surface tension at the surfaces of lung epithelium.
C) It is composed of proteins and lipids.
D) It helps stabilize the three-dimensional structure of gas exchange membranes.
E) All of the above
Correct Answer:

Verified
Correct Answer:
Verified
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