eyeball parts Word Scramble
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Question | Answer |
the clear, dome-shaped tissue covering the front of the eyes | cornea |
the colored part of the eye that controls how much light enters the eye by changing the size of the pupil | iris |
a crystalline structure just behind the iris. it focuses light on the retina | lens |
nerve that transmits electrical impulses fromt her etina to the brain | optic nerve |
the opening int he cente rof the iris, changes size as the amount of light changes | pupil |
sensory tissue that lines the back of the eye, contains millions of rods and cones that conver light rays into electrical impulses that are relyaed to the brain via the optic nerve | retina |
thick, transparent liquid that fills the center of the eye, is mostly water and gives the eye its form and shape | vitreous or vitreous humor |
How do you find which is your dominant eye? | make a circle, look at an object, then close each eye and which one you can still see the object is dominant |
how many eye muscles do humans have | six |
what is the point at which the retinal nerve tissue connects to the optic nerve? | the blind spot |
what color is the lens in a living organism? | it's clear/transparent |
why does the lens have to be flexible? | so it can change shape, focusing on objects close and far away |
why does the lens and cornea have to be transparent? | to allow the passage of light |
what is the shape of the sheep's cornea? | elliptical |
wha tis the shape of a human's cornea? | circular |
why does the retina have to be smooth? | to best reflect light |
where is the eye's blind spot? | where the retinal nerve tissue connects to the optic nerve |
STUDY DIAGRAM!!! |
Created by:
Tsarmina
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