Question

The nictitating membrane of the eye

a) Is also called the "second eyelid"
b) Is visible with some injuries or illnesses
c) Provides all of the protection for the eyeball
d) Is non-functional as protection

Answer 1

The nictitating membrane of the eye, also known as the "second eyelid," provides additional protection for the eyeball and helps to moisten and clean the eye.

Step-by-step explanation:

The nictitating membrane of the eye is also called the "second eyelid." It is a thin membrane that is attached to the inner surface of the eyelids and covers the anterior surface of the cornea. The nictitating membrane provides additional protection for the eyeball and helps to moisten and clean the eye.