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Special Senses Eyes
The EYE
| 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 |