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| largest part of the neuron, contains the nucleus |
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| long fiber that carries impulses away from the cell body |
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| branched extensions of cell body that carries impulses toward the cell body |
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| insulating membrane around axon; has gaps called nodes |
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| cells that transmit electrical impulses |
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| small pocket of space between two cells, where they can pass messages to communicate |
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| Chemicals that neurons use to transmit an impulse across the synapse to other neurons |
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| the reversal of charge that move down the axon carrying the message |
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| Cells that are uniquely suited to perform a particular function |
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| the process organisms use to keep internal conditions relatively constant despite changes to the external environment |
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| the process in which a stimulus produces a response that opposes the original stimulus |
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| structures in the eye that see black and white |
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| structures in the eye that see color and detail |
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| when some information is processed in the spinal cord and not in the brain |
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| 3 tiny canals above the cochlea which monitor the position of your head |
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| sense organs that detect taste and are located on the surface of your tongue and mouth |
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| Any substance other than food that changes the structure or function of the body |
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| an uncontrollable dependence on a drug |
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