neurons

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5 Terms

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Neurons

can be classified functionally

by the direction the neve pulse travels relative to the CNS.

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sensory (Afferent)

carry impulses from sensory receptors into CNS

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Motor (Efferent)

carry impulses away from the CNS to Muscles or Glands

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Interneuron (Associate)

carry impulses within the CNS, typically multipolar neurons

Make up 99% of Neurons found in body

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Neurons have several special characteristics

• Have a high metabolic rate

• Extreme longevity

• Nonmitotic

• Excitable

• Conductivity