third year science (the sensory system) Flashcards on The Sensory System, created by keeshansheila1 on 12/06/2013.
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Created by keeshansheila1
almost 13 years ago
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Close
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Created by keeshansheila1
almost 13 years ago
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Stimulus- when we react to something in our surroundings.
Central nervous system is the brain,spinal cord, and neurons.
Parts of the eye-
Iris- controls the amount of light let in.
Lens- focuses light on the retina
Optic nerve; sends a message from the eye to the brain. The image from the retina is sent to the brain through the optic nerve.
