The ciliary body is responsible for producing aqueous humor, which is the fluid in the eye, and it also plays a role in holding the lens in place, allowing the eye to focus. Choices A, B, and C describe other parts of the eye or their functions, not the ciliary body.

Solved

The Ciliary Body

Question 293

Multiple Choice

The ciliary body:

A) is the portion of the eye between the cornea and the lens and iris
B) focuses light rays onto the retina
C) receives images and converts images into signals sent through the optic nerve
D) produces the aqueous humor and holds the lens in place

Correct Answer: