Answer: The eyes, ears, inside the nose, inside the mouth, lip, vagina, the urethral opening and the anus.
Explanation: A mucous membrane or mucosa is a membrane that lines various cavities in the body 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 various body openings