Which of the following is an involuntary muscle that makes up the front part of the vascular layer?
A) The iris
B) The pupil
C) The ciliary muscle
D) Both A and C

Question

Quizplus · Accepted Answer

The iris and the ciliary muscle are both part of the eye's vascular layer, known as the uvea, and function involuntarily. The iris controls the size of the pupil, adjusting the amount of light that enters the eye, while the ciliary muscle adjusts the shape of the lens to focus light on the retina.

Which of the Following Is an Involuntary Muscle That Makes