The Human Eye

This part of the eye carries the message from your eye to the part of your brain that controls vision. 

• cornea
• lens
• optic nerve
• retina

In dim light, your pupil will be 

• larger
• smaller

The first part of the eye that light hits. 

• lens
• cornea
• pupil
• retina

The part of your eye that gives it its color.  It is a muscle that controls the size of your pupil.

• cornea
• lens
• pupi
• iris

Lets the light in and it is the black portion of eye.

• pupil
• retina
• lens
• cornea

Which structure is an opening that regulates the amount of light that enters the eye?

• iris

• lens

• pupil

• cornea

The iris in a human can be

• brown

• green

• blue

• all of the above

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What are the functions of eyelids and eyelashes

• to protect and rehydrate the eyes

• keep dirt out of the eyes

• keep debris out of the eys

• all of the above

Lens

• Clear tissue that covers the eye
• Opening of the eye
• Focuses the light
• Regulates amount of light

About how large is the human eye?

• basketball
• ping pong ball
• baseball
• soccer ball