Answer:
Mucous membranes protect the inside parts of your body that are exposed to air, in a similar fashion to how your skin protects your external body. Mucous membranes are rich with mucous glands that secrete mucus to help keep the membranes moist. Examples of mucous membranes include lips, mouth, nasal passages, middle ear, and the eustachian tube.
Step-by-step explanation:
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