Asked by Brianna

Which of the following is NOT a characteristic of the respiratory surface of the alveoli?

a) Thin-walled
b) Dry
c) In contact with an environmental source of oxygen
d) In contact with the transport system that carries dissolved materials to and from the cells of the organism
Answered by PsyDAG
Why would it be dry?
Answered by Derik
b) Dry
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