The ciliary body is responsible for producing the aqueous humor, which is the fluid in the eye, and it also contains the ciliary muscles, which hold the lens in place and allow it to change shape for focusing. Choices A, B, and D describe functions of other parts of the eye, such as the retina, the anterior chamber, and the lens, respectively.

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The Ciliary Body

Question 245

Multiple Choice

The ciliary body:

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

Correct Answer: