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Sav [38]
2 years ago
15

Can someone plz help me?

Biology
1 answer:
Ber [7]2 years ago
8 0

Answer:

C. all living things are made of one or more cells.

Explanation:

Sounds like it.

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Mucous membranes line the passageways that open to the exterior of the body, including those of the respiratory, digestive, reproductive, and urinary systems in the body.

A mucous membrane or mucosa is a membrane that lines various cavities in the body of an organism and covers the surface of internal organs. It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue.

It is mostly of endodermal origin and is continuous with the skin at body openings such as the eyes, eyelids, ears, inside the nose, inside the mouth, lips, the genital areas, the urethral opening and the anus. Some mucous membranes secrete mucus, a thick protective fluid. The function of the membrane is to stop pathogens and dirt from entering the body and to prevent bodily tissues from becoming dehydrated.

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Learn more about Mucous membranes here : brainly.com/question/26244782

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