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Nervous System: Matching Nervous-System-Matching

Use the following words: Name: _______________________
_____ afferent neurons 1) bundles of cell bodies outside of the CNS.
 
_____ autonomic nervous system 2) Potassium ions inside the plasma membrane and sodium ions are outside.
 
_____ axon 3) similar to the insulation of an electrical wire.
 
_____ central nervous system 4) largest part of the brain
 
_____ cerebellum 5) control of involuntary actions
 
_____ cerebrum 6) transmit impulses to the cell body of a neuron
 
_____ dendrites 7) comprised of the brain and spinal cord.
 
_____ depolarization 8) allows the control of skeletal muscles.
 
_____ efferent neurons 9) similar to the body's "autopilot".
 
_____ ganglion 10) indentations in the myelin
 
_____ myelin 11) the membrane returns to its normal or polarized state.
 
_____ nodes of Ranvier 12) sodium gates open and sodium ions rush into the neuron.
 
_____ polarization 13) transmit impulses away from the CNS to an effector.
 
_____ repolarization 14) similar to a conductor in a electrical wire.
 
_____ somatic nervous system 15) a small gap between the presynaptic and postsynaptic membranes.
 
_____ synapse 16) those that take impulses toward the CNS