Which part of the eye is a muscle that regulates the size of the pupil?
A)Iris
B)Lens
C)Sclera
D)Cornea

Name: Which part of the eye is a muscle that regulates the size of the pupil? A)Iris B)Lens C)Sclera D)Cornea
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Question

Quizplus · Accepted Answer

The iris is the part of the eye that contains muscles that can contract or expand to adjust the size of the pupil, which regulates how much light enters the eye. The lens, sclera, and cornea do not have this function.

Which Part of the Eye Is a Muscle That Regulates