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9 Cards in this Set
- Front
- Back
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PNS
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nerves that extend from the brain and spinal cord.
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sensory , afferent
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nerves that convey impulses to the cns from sensory receptors
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sensory fibers
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deliver impulses from the skin, skeletal muscles, and joints
somaticsensory fibers to cns |
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visceral sensory fibers
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deliver impulses from the viseral organs to the cns
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motor efferent division
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carries impulses from the cns to effetor organs,muscles and glands
2 subdivisons: somatic ns autonomic ns |
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somatic nervous system
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voluntary control of skeletal muscles
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autonomic nervous system
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automatic involuntary controls smooth and cardiac muscle, glands
2 subdivisions parasympathetic sympathetic |
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parasympathetic
nervous system |
rest and rejuvenate
digestion defecation, diuresis |
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sympathetic nervous system
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fight or flight
exercise, excitement, emergency embarrassment |
