What is the muscle under autonomic control that regulates the diameter of the pupil?
A) iris
B) pupil
C) ciliary muscles
D) cornea
E) zonular fibers

Name: What is the muscle under autonomic control that regulates the diameter of the pupil? A) iris B) pupil C) ciliary muscles D) cornea E) zonular fibers
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Quizplus · Accepted Answer

The iris is the muscle under autonomic control that regulates the diameter of the pupil, adjusting the amount of light that enters the eye.

What Is the Muscle Under Autonomic Control That Regulates the Diameter