Term
| Central Nervous System (CNS) |
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Definition
| includes your brain and spinal cord |
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Term
| Peripheral Nervous System (PNS) |
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Definition
| consists of communication pathways, or nerves |
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Definition
| transfers messages throughout your body |
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Definition
| the way neurons send messages |
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Definition
| detect changes inside and outside the body |
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Term
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Definition
| axons bundled together with blood vessels and connective tissue |
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Term
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Definition
| part of your central nervous system |
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Term
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Definition
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Definition
| light is detected by cells at the back of your eye in a light-sensitive layer |
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Definition
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Definition
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Definition
| gives you the ability to see |
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Definition
| the part of the eye that gives it color |
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Definition
| a piece of curved material behind the pupil that allows light to pass through, but changes direction |
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Definition
| tiny, snail-shaped organ of the iner ear |
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Definition
| involved with the control of slower, long- term processes |
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Definition
| a group of cells that make special chemicals for your body |
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Term
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Definition
| chemicals that are produced by the endocrine glands |
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Term
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Definition
| that turn endocrine glands on and off |
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