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18 Cards in this Set
- Front
- Back
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the ____ ____ ____ links the external environment & the body to the CNS
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PNS
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the pns consists of what 2 divisions
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sensory - motor
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the sensory division carries impulses from the receptors in the (3 somatic afferents)
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skin - muscle - joints
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The motor division carries impulses from the effectors (3)
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muscles, glands, viscera
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sensory fibers carry impulses from ______ organs.
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Visceral
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How many pairs of cranial nerves?
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12
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How many pairs of spinal nerves?
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31
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What are the two subdivisions of the motor division in the PNS?
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Somatic nervous system - Autonomic nervous system
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Two subdivisions of the Autonomic system?
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sympathetic - parasympathetic
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Autonomic Nervous System regulates ____ muscles, ____ muscles & ____
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smooth - cardiac - glands
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sensory division of the pns detect (3)
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pain - touch - temperature
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Somatic Nervous System allows conscious ____ of ____ ____
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control - skeletal muscles
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____ ____ ____ conducts impulses to skeletal muscles
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Somatic Nervous System
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return to normal state (homeostasis)
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parasympathetic
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what is fight or flight?
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sympathetic
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system that regulates involuntary activities
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autonomic nervous system
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in the autonomic n.s.., the ____ & ____ are involved with homeostasis
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nerves - receptors
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autonomic n.s.. contain ____ motor fibers
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Visceral
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