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The Nervous System (Vocabulary)

Name: ________________________

Due Date: Friday, Wednesday, May 08, 2019
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Across
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Supporting Cells of the nervous system.
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Dense collections of myelinated fibers
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Whitish, fatty material that covers nerve fibers to speed up nerve impulses
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Carry impulses from CNS to muscles & glands
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Depolarization activates neuron to transmit an
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Provides control over skeletal muscles.
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1 axon, 1 dendrite
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Neurotransmitter that causes muscle contraction is
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Conducts nerve impulses away from the cell body
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A cell membrane at rest is
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Connect sensory & motor neurons
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Nerves (spinal nerves, cranial nerves) make up the
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1 process
Down
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Something that can cause depolarization is
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Ability to respond to stimulus & convert to nerve impulse
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Fiber that conveys messages toward cell body
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Tight coil of wrapped membranes
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Autoimmune disease that destroys myelin sheaths..
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Gap between neurons
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The brain and spinal chord make up the
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End of axon; contain neurotransmitters & release them
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Gathering Information is
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Carry impulses from sensory receptors to CNS
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1 axon, several dendrites
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Contains nucleus; metabolic center
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Transmit messages.
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Regulates smooth muscles, cardiac, glands