Examlex
There are substances that exist which do not have any potential for toxicity.
Eyelids
The movable pieces of skin that cover and protect the eyes when closed and help to spread moisture (tears) over the surface of the eyes when they blink.
Eyelashes
The short, curved hairs growing on the edge of eyelids, serving to protect the eyes from debris and aid in moisture retention.
Conjunctivas
The mucous membranes that cover the front surface of the eyeball and the inner surface of the eyelids, acting as a protective barrier.
Extrinsic Eye Muscles
The six muscles located outside the eyeball that control the movements of the eye and the orientation of the eyelids.
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