The eyelids contain muscles that enable them to open and close around the eye, and are covered with skin. The inner part of the eyelid is lined with mucous membrane, while the outer part is lined with eyelashes. As the eyelids open and close, they spread the tear film over the eye's surface, lubricating the eye.
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Answer:
EYELIDS
Explanation:
The eyelids contain muscles that enable them to open and close around the eye, and are covered with skin. The inner part of the eyelid is lined with mucous membrane, while the outer part is lined with eyelashes. As the eyelids open and close, they spread the tear film over the eye's surface, lubricating the eye.