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Definition
| chemical used by a neuron to transmit an impulse across a synapse to another cell |
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| location at which a neuron can transfer an impulse to another cell |
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| long fiber that carries impulses away from the cell body of a neuron |
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| extension of the cell body of a neuron that carries impulses from the environment or from the neurons toward the cell body |
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| largest part of a typical neuron; contains the nucleus and much of the cytoplasm |
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| insulating membrane surrounding the axon in some neurons |
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| sensory division of peripheral nervous system |
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Definition
| transmits impulses from sense organs to the central nervous system |
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| motor division of peripheral nervous system |
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| transmits impulses from the central nervous system to the muscles or glands |
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| area of the brain responsible for all voluntary activities of the body |
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| brain structure that acts as a control center for recognition and analysis of hunger, thirst, fatigue, anger, and body temperature |
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| region of the brain that coordinates body movements |
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| structure that connects the brain and spinal cord, includes the medulla oblongata and the pons |
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| the main communications link between the brain and the rest of the body |
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| portion of the tooth found above the surface of the gum line; dentin convered by enamel |
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| bone-like material found below enamel |
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| hardest substance in the body, covers the crown of the tooth |
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| contains nerves, arteries, and veins that supply the tooth |
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| canal where nerves arteries, and veins pass |
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