Sensory System - Structures and Functions

Front

the mucous membrane that covers the front of the eye and lines the inside of the eyelids

Back

Conjunctiva

Front

makes tears

Back

Lacrimal gland

Front

Layer of the eyeball that:
-is outer most
-is white

Back

Sclera

Front

Layer of the eyeball that:
-is in the middle
-is vascular (supplies blood to eye)

Back

Choroid

Front

Layer of the eyeball that:
-is innermost
-has light-sensitive cells (rods and cones)
-light focuses on

Back

Retina

Front

•“window of the eye” •Clear circular area at front of sclera

Back

cornea 

Front

colored muscular part (Options: cornea, iris, pupil, lens)

Back

iris

Front

circular opening where light enters

Back

pupil

Front

biconvex disc that changes shape to help focus at different distances

Back

lens

Front

light sensitive cells on the retina that are active in dim light - do NOT see color

Back

rods