Eye - an organ, Iris - Colored part of the eye. It changes the size of the pupil, Pupil - The black , center part of the eye. Light enters the eye , A lot of light - pupil gets smaller, contract, In the dark - pupil gets larger, dilate, Cornea - It is the outer coating of the front of the eyeball, Lens - It's located behind the iris. It blends light onto the retina, Retina - The back of the eye. It sends image to the optic nerve. Image created here is upside down, Brain - It turns the upside down image the right way up, Optic nerve - It sends images to the brain, Sclera - The white part of the eye,

CAX KS4 Biol The Eye words and meanings

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