The ________ of the eye works similarly to the shutter of a camera.

A. eyelid
B. lens
C. cornea
D. iris


Answer: D

Anatomy & Physiology

You might also like to view...

Which is not considered to be a symptom of menopause?

A. Periodic elevations in body temperature B. Increase in the amount of facial hair C. Vaginal dryness D. Osteoporosis E. No exceptions; all choices are considered to be symptoms of menopause.

Anatomy & Physiology

What is the ENS, and when was it discovered? What is its significance, what is its nickname, and what are the characteristics that justify that nickname?

What will be an ideal response?

Anatomy & Physiology

Using the figure below, identify the labeled part.



1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________

Anatomy & Physiology

Which of the following agencies monitors hunting and fishing?

a. US State Department c. Game Commission b. US Department of Agriculture d. US Fish and Wildlife

Anatomy & Physiology