18.2
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6 terms
Terms | Definitions |
|---|---|
 photoreceptors | light-sensitive cells of the retina that convert light into nerve impulses. |
| optic nerve | a nerve that carries nerve impulses from the eyes to the brain. |
| pupil | the hole in the eye through which light enters |
| image | a picture of an object formed where light rays meet. |
| conce cells | photoreceptors that respond to color |
| rod cells | photoreceptors that respond to light intensity. |
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