human eye 12.3 Flashcards
1
Q
cornea
A
where light enters the eye
2
Q
pupil
A
dark circle in the middle of the eye- hole that allows light to go into the eyeball
3
Q
iris
A
colored muscle surrounding the pupil, controlling the size of the pupil
4
Q
pupils dilate in ___ light
A
dim
5
Q
pupils constrict in ___ light
A
bright
6
Q
the lens
A
a converging lens refracting light to form a real image
7
Q
ciliary humor
A
jelly like fluid inside the eyeball behind the lens
8
Q
retina
A
lining at the back of the eye containing receptor cells; where the image is formed
9
Q
optic nerve
A
gathers information from the retina and transmits it to the brain
10
Q
types of light receptors
A
rods and cones
