Labeling Review

Structure #3 refers to the circular structure that surrounds the pupil and regulates the amount of light entering the eye. Name this structure

• Cornea

• Pupil

• Retina

• Iris

Structure #1 refers to the clear tissue that covers the front of the eye. Name this structure.

• Retina

• Cornea

• Pupil

• Iris

Structure #7 refers to the part of the eye that carries visual information from the eyeball to the brain. Name this structure.

• lens

• optic nerve

• retina

• auditory nerve

black circle, allows light to enter the eye

• iris

• pupil

• optic nerve

• retina

What is letter G?

• cornea

• Retina

• Lens

• Iris

What is #6?

• Cochlea
• Eustachian Tube
• Semicircular Canal
• Round Window

What is #9?

• Cochlea
• Stirrup
• Round Window
• Eustachian Tube 

Name the part of the ear labeled as 6 in the diagram.

• anvil

• ear canal

• stirrup

• cochlea

The ear drum is labeled as which number in the diagram?

• 1

• 2

• 3

• 4

• 5

Which part(s) of the ear are found in the middle ear?

• eardrum

• hammer

• anvil

• cochlea

• stirrup