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The Nervous System: Cells

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Across
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transmits the nerve impulse away from the cell body
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have multiple processes, which are usually one axon and many dendrites
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form the myelin sheaths surrounding neurons in the PNS
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impulse-conducting cells and represent the nervous system's simplest structural unit.
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form a protective fatty substance around neurons in the CNS. This substance is called myelin
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transmit impulses from the CNS toward muscles or glands
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regulate the exchange of nutrients between neurons and blood vessels and help form the blood-brain barrier
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surround and serve to support clusters of neural cell bodies in the PNS called ganglion
Down
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transmit sensory information toward the CNS
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have two processes that extend from the cell body
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These cells participate in the production and assist in the circulation of cerebrospinal fluid (CSF)
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lie between sensory and motor neurons and participate in integrative functions
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branches that receive impulses and transmit them to the cell body
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connective tissue that supports, nourishes, protects, and insulates nerve cells or neurons
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have a single process extending from the cell body
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protect CNS neurons by destroying and removing pathogens, harmful microorganisms, and cellular debris
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contains the nucleus and other organelles