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14 Cards in this Set

  • Front
  • Back
neurons
(NS components)
f(x)-recieve and transmit nercous impulses
Neurolgia
(NS components)
supportive cells around neuron
f(x)-nourish, insulate, and support neurons
(NS components)
synapses
gaps between adjoining neuorons
(NS components)
central nervous system (CNS)
brain and spinal cord
(NS components)
Peripheral nervous system (PNS)
cranial and spinal nerves
(NS components)
neurotransmitters
chemicals that carry electric charge across synapse
(F(x)+Transmission in the NS)
sensory
recieve stimuli from enciroment by sesory receptors in PNS
ex)sound, temp.
(F(x)+Transmission in the NS)
integration
CNS processes all sensory signals and creates sensations, memory, thoughts, or action
(F(x)+Transmission in the NS)
motor
CNS sends impulses to stimulate movement in the effectors outside of NS.
Ex)muscles, glands
(Nervous System Divisions)
PNS
A. Sensory
B. Motor
B.1 Somatic
B.2 Autonomic:
a.sympathetic
b.parasympathetic
(Nervous System Divisions)
autonomic
unconscious motor activities
ex)smooth and cardiac muscle, glands
(Nervous System Divisions)
sympathetic
moves away from homeostatic set point
(Nervous System Divisions)
parasympathetic
moves body back to Homeostatic set point
(Nervous System Divisions)
somatic
conscious motor activities
ex) skeletal muscle contractions