Human Eye Functions

What is the name of the part labeled with number 1?

• cornea

• iris

• lens

• pupil

• sclera

What is the name of the part labeled with number 2?

• cornea

• iris

• lens

• pupil

• sclera

What is the name of the part labeled with number 3?

• cornea

• iris

• lens

• pupil

• sclera

What is the name of the part labeled with number 4?

• cornea

• iris

• lens

• pupil

• sclera

What is the name of the part labeled with number 5?

• iris

• lens

• optic nerve

• retina

• sclera

What is the name of the part labeled with number 6?

• iris

• lens

• optic nerve

• retina

• sclera

What is the name of the part labeled with number 7?

• iris

• lens

• optic nerve

• retina

• sclera

transmits electric impulses from the retina to the brain

• iris

• lens

• optic nerve

• retina

• sclera

the light-sensitive inner layer lining the back of the eye that converts the image formed by the lens into signals which reach the brain by way of the optic nerve

• iris

• lens

• optic nerve

• retina

• sclera

the transparent layer forming the front of the eye

• cornea

• iris

• lens

• pupil

• sclera