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The EYE

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
What is the purpose of eyelashes and eyebrows?   Keep out the dirt and pathogens  
What glands produce tears?   Lacrimal glands  
The mucus membrane that lines the eye?   Conjunctiva  
The outermost layer of the eye, white of the eye?   Sclera  
Circular transparent part of the sclera, allows light rays to enter the eye?   Cornea  
Middle layer of the eye, interlaced with blood vessels?   Choroid Coat  
What do the blood vessels in the Choroid Coat do to the eye?   Nourish it  
The inner most layer of the eye, made up of nerve cells   Retina  
Nerve cells in the retina,sensitive to color, used for vision mainly in the light   Cone cells  
Nerve cells in the retina, used for vision when it is dark   Rod cells  
Colored portion of the eye,   Iris  
Opening in center of the iris   Pupil  
contains two muscles control size of pupil, regulating the amount of light   Iris  
Circular structure behind pupil,suspended by ligaments   lens  
Clear, watery fluid, fills space between cornea and iris   Aqueous Humor  
Helps maintain the forward curvature of the eye   Aqueous Humor  
Jellylike sustance that fills the area behind the lens   Vitreous Humor  
Maintains the shape of the eyeball   Vitreous Humor  
What is the white of the eye called?   Sclera  
What do you have more of Cones or Rods?   Rods  
What do you use more when are seeing peripherally, cones or rods?   Rods  
What happens to your pupil when the room is dark?   It dialates  


   


 
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Created by: Ms. Blair