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midterm

physiology

QuestionAnswer
What is the main function of the nervous system? To receive sensory input, process information, and send motor output to maintain homeostasis
what are the two major divisions of the nervous system? Central nervous system and peripheral nervous system
what is the basic functional unit of the nervous system? the neuron
what part of the neuron receives incoming signals? Dendrites
what substance covers and insulates many axons to increase the speed of nerve impulses? myelin sheath
what cells produce myelin in the CNS? oligodendrocytes
what cells produce myelin in the PNS? schwann cells
what is the space between neurons where neurotransmitters are released called? Synaptic cleft
what is the difference between sensory and motor neurons? neurons carry impulses to the CNS comma motor neurons carry impulses away from the to muscles or glands period
Created by: nairy
 

 



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