2006-11-26 23:15:12 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Biology
The iris can open/close the pupil to control the amount of light reaching the retina.
This, and more, available on the free, online encyclopedia, Wikipedia at:
http://en.wikipedia.org/wiki/Eye
Hope this helps!
2006-11-26 23:19:37 · answer #1 · answered by cfpops 5 · 2⤊ 0⤋
The part of your eye called the pupil is the opening which lights in. The pupil is the opening of the iris. The iris changes size to let more or less light in.
2006-11-27 07:26:17 · answer #2 · answered by critofur 2 · 0⤊ 0⤋
Pupil. It's the black stuff in the middle of your eyeballs. In the dark, it gets bigger because it needs more light.
2006-11-27 08:15:46 · answer #3 · answered by cherrryberry 4 · 0⤊ 0⤋
Retina...
2006-11-27 07:17:37 · answer #4 · answered by Ramprasad 2 · 0⤊ 1⤋
retina
2006-11-27 07:27:52 · answer #5 · answered by Jaymey 2 · 0⤊ 1⤋