Micaelamg3334 Micaelamg3334

30-10-2017
Biology

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Mucous membranes provide a ____________ barrier at body openings.

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carnelllopez carnelllopez

01-11-2017

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.

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