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MissTica
3 years ago
10

Mucous membranes provide a ____________ barrier at body openings.

Biology
1 answer:
butalik [34]3 years ago
8 0
<span>Mucous membranes provide a mechanical barrier at body openings. They also line the respiratory, GI, urinary, and reproductive tracts. Mucous membranes secrete mucus, a slimy substance that traps pathogens. The membranes also have hair-like cilia.</span>
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