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10-17

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two types of cells that make up neural tissue   neurons, neuroglical cells  
nervous system divided into 2 divisions what are they   CNS and PNS  
the ____ nervous system contains brain and spinal cord   central  
the _____ nervous system contains the spinal and cranial nerves   peripheral  
list 2 divisons of the peripheral nervous system   sensory and motor  
list 2 divisions of the motor divison   autonomic and somatic  
which division of motor carries impulses to heart   autonomic  
which divison of motor carries impulses to skeletal muscles   somatic  
which division of peripheral n.s carries impulses to the muscles and glands   motor  
which division of PNS picks up sensory info and sends it to the CNS   sensory  
what is meant by the terms efferent and afferent   e= sends impulses away from CNSA= sends impules to CNS  
___ neurons carry impules away from CNS   motor  
___ neruons carry impulses towards the CNS   sensory  
nerve impulses travel from neuron to neuron at junctions called   synapse  
at resting membrane potential the ions are   polarized  
if mem. has become more neg. it has become   hyperpolarized  
if mem. has become less neg it has become   depolarized  
the adding of stimuli to each other is called   summation  
when stimuli add up to the point of producing an action potential it is known as a ___ stimulus   threshold  


   


 

 

 

 

 

 
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