Outer Eye Parts
Eye Parts - 1
Eye Parts - 2
Facts
Sheep Eyes
100

These keep sweat and debris from falling into the eye.

What are the eyebrows?

100

This regulates the amount of light entering the eye and gives the eye its color.

What is the iris?

100

This is the round opening in the iris.

What is the pupil?

100
What must be present to be able to see objects?
light
100

This is the color of the sheep's iris.

What is blue black or brown?

200

These help keep dust out of the eye.

What are eyelashes?

200

This is the part that focuses light rays.

What is the lens?

200

This lines the inside of the eyeball, contains an upside down image and sends a message to the brain.

What is the retina?

200
What part decodes nerve cell messages?
the brain
200
What is the shape of the cow's pupil?
oval
300

These protect the front of the eye and spreads moist tears.

What are eyelids?

300

This is the clear tissue that covers the front of your eye.

What is the cornea?

300
What nerve sends the images to the brain?
optic nerve
300

The muscles that move the lens.

What are ciliary muscles?

300

This is the number of muscles that hold the sheep eye in place.

What is four?

400

This is where your tears are created and stored.

What are the tear glands?

400

This is the white, tough part of the eye.

What is the sclera?

400
What cells allow us to see color and shades of gray?
rods and cones
400

This is cushion for the eye in the eye socket.

What is fat?

400
What attaches the vitreous humor to the lens?
ciliary muscles
500

What carries tears away from the eye into a passageway to the nose.

What are tear ducts?

500

This is the jellylike substance that fills your eye and keeps your lens in place.

What is the vitreous humor?

500
What is the watery fluid in front of the lens?
aqueous humor
500

Muscle that controls the size of the pupil.

What is the iris?

500

This is the shiny blue-green layer over the cow's retina.

What is the tapetum lucidum?

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