Directions: Place in order six structures listed below
through which light must pass to activate the photore-
ceptors. Some structures listed below will NOT be used.
Vitreous humor
Ciliary muscle
Sclera
Cornea
Rods and cones
Aqueous humor
Conjunctiva
Lens
Pupil
1.
2.
3.
4.
5.
6.
benn Scanned with CamScanne