asked 47.9k views
1 vote
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.

1 Answer

6 votes

Answer:

the answer is A

Step-by-step explanation:

answered
User Chris Denning
by
8.0k points
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