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Final Exam
Nervous system, CNS, PNS
8
Anatomy
Undergraduate 1
05/04/2009

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Cards

Term
Nervous System
Definition
Controlling and communicatiing system of the body
Term
Functions of Nervous system
Definition
1. sensory input- monitoring stimuli occurring inside and outside the body
2. Integration- interpretation of sensory input
3. motor output- response to stimuli by activating effector organs
Term
Central Nervous System
Definition
-Brain and spinal cord
-integration and command center
Term
PNS
Definition
-spinal and cranial nerves
-carries messages to and from the spinal cord and brain
Term
Ganglia
Definition
where cell bodies are located
Term
Ganglions
Definition
collection of nerve cell bodies outside the CNS
Term
Sensory Division of PNS
Definition
-Afferent
-somatic sensory division- carries impulses from muscles, bones, and joints to the brain- actions that cannot be controlled
-visceral motor division- transmits impulses from organs to the brain- no thought process
Term
Motor division
Definition
-efferent
-transmits impulses from CNS to organs
-somatic- conscious control of skeletal muscles
-Viceral- regulates smooth muscle, cardiac muscle, and glands
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