Eye structure

#3 Refers to the circular structure that surrounds the pupil and regulates the amount of light entering the eye.

• Cornea

• Pupil

• Retina

• Iris

Under conditions of bright light, the pupil __________ because the circular muscles of the iris _______________.

• dilates, contract

• dilates, relax

• constricts, contract

• constricts, relax

What is the blind spot

• Produces aqueous humor and controls the lense shape
• Whites of the eye and provides structure
• The area where the optic nerve  attaches , and no retina is located
  , so there is no information to be picked up

What is the outer tough layer of the eye?

• Lens
• iris
• pupil
• Sclera 

What part of the eye are the cones located

• Iris
• lens
• retina
• pupil

Tags

NGSS.MS-LS1-8

When you enter a dark room, what does the pupil do

• get larger
• get smaller

Rods are light sensitive cells in the retina that

• give you color vision in dim light

• respond in dim light

• give you color vision in bright light

• respond in bright light

Cones are light sensitive cells in the retina that

• give you color vision in bright light

• respond in dim light

• give you color vision in dim light

• respond in bright light

The cornea

• helps protect the eye

• begins bending light to make an image

• both of the above

• none of the above

What part of the eye is this?

• cornea
• lens
• iris
• cilicary body