Question

portion on retina where the optic nerve enters the eyeball:
a.) retina
b.) pupil
c.) blind spot
d.) iris​

Answer 1

Answer:

A

Explanation:

Answer 2

Answer:

The colored circular membrane in the eye just behind the cornea is called the iris. The iris controls the amount of light entering the eye through the pupil, which is the opening in the center of the iris that looks like a tiny black circle.

so pupil is the answer.

hope it may help you.