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Chapter 11- The Nervous System: Integration and Control
Terms in this set (15)
What are the components of the CNS?
2. spinal chord
What are the functions of the CNS?
receives, processes, and transfers information
What are the components of the PNS?
nerves outside CNS
What does the sensory division of the PNS do?
carries information toward the CNS
What does the motor division of the PNS do?
carries information away from CNS
Neurons found in the PNS that receive stimuli and transmit information to the CNS
Transmit information between components of the CNS
Neurons found in the PNS that transmit information away from the CNS
What part of the neuron is the main part of the cell, has the nucleus and most of the cytoplasm and organelles?
the cell body
What part of the neuron has small slender extensions of the cell body, receive incoming information?
What part of the neuron has a long slender extension, specialized to conduct electrical impulses away from the cell body?
What is the triggering point?
What kind of polarization reverses the voltage?
What kind of polarization restores the initial polarity?
What forms the myelin sheath in the CNS?
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