Figure 27.3 -Answer the Question Using the Accompanying Figure. the Slug Is

question 39

Multiple Choice

Figure 27.3
-Answer the question using the accompanying figure. The slug is the structure with the label ____.

• A) A
• B) B
• C) C
• D) D
• E) E

---

Definitions:

Ciliary Body

A part of the eye that includes the ciliary muscle, which controls the shape of the lens for focusing, and the ciliary processes that produce aqueous humor.

Optic Nerve

The optic nerve is a crucial part of the eye and visual system, transmitting impulses from the retina to the brain to produce vision.

Ciliary Muscles

A ring of smooth muscle fibers in the eye's middle layer that adjusts the lens's curvature to focus on objects at varying distances.

Pupil Diameter

Pupil diameter refers to the size of the opening in the iris of the eye, which regulates the amount of light entering the eye.