2007-03-16 14:53:51 · 7 answers · asked by Anonymous in Health ➔ Other - Health
close. that way less sunlight goes into the eyes. when its dark out the pupils grow larger to get every bit of sunlight they can.
2007-03-16 14:57:30 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Pupils are like the shutter of a camera, when there is more light they shrink to control the amount of light is let in, and grow when its darker to let more light in.
2007-03-16 22:05:37 · answer #2 · answered by Ryan S 2 · 0⤊ 0⤋
Pupils open (dilate) in less light and get smaller in dimmer light.
2007-03-16 22:01:54 · answer #3 · answered by Sheila 6 · 0⤊ 0⤋
Close with more light and open with less light.
2007-03-16 21:57:38 · answer #4 · answered by elmer b 2 · 0⤊ 0⤋
pupils dilate in low light to let in more light
and contract in bright light to let in less light
2007-03-16 22:04:10 · answer #5 · answered by rooster1981 4 · 0⤊ 0⤋
close with more light and open with less light
2007-03-16 22:01:32 · answer #6 · answered by Jimmy C 5 · 0⤊ 0⤋
open
2007-03-16 22:11:33 · answer #7 · answered by Gypsy Gal 6 · 0⤊ 0⤋