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3
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Consists of the brain and spinal cord.
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4
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The minimum level of stimulus that is required to cause an impulse in a neuron.
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5
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Electrical charge across the cell membrane of a resting neuron.
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6
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Chemicals that transmit an impulse across a synapse to another cell.
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7
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Extension of the cell body of a neuron that carries impulses from the environment or from other neurons toward the cell body.
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8
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The long fiber that carries impulses asway from the cell body.
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9
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Regulates body activities that are under conscious control, such as the movement of skeletal muscles.
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10
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The point at which a neuron transfers an impulse to another cell.
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11
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Reversal of charges across the cell membrane of a neuron; also called a nerve impulse.
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12
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The insulating membrane surrounding the axon of a neuron.
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