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Mucous membranes.. A. Cover or line external surface of body. B. Line internal body surfaces that are in contact with the environment. C. Produce antibodies to combat infection. D. Secrete sweat, which
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Mucous membranes..

A. Cover or line external surface of body.
B. Line internal body surfaces that are in contact with the environment.
C. Produce antibodies to combat infection.
D. Secrete sweat, which has antibacterial enzymes.

User Sakir Sherasiya
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1 Answer

6 votes

Answer:

the answer is A

Step-by-step explanation:

User Chris Denning
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