Download ActivityOrganizationNervousSystem

Central Nervous
System
S: brain
F:Integration - interprets
sensory input & decides
what should be done
Peripheral Nervous
System
S: 12 pairs of cranial
nerves & all branches
F:carries sensory
impulses to CNS & motor
impulses away from CNS
Afferent (Sensory)
Division
S: all sensory neurons
F:Sensory Input - carries
information from sense
organs to CNS
Efferent (Motor)
Division
S: all motor neurons
F:Motor Output – causes
a response by activating
muscles or glands
Autonomic
Nervous System
S: motor neurons
connecting to cardiac
muscle, smooth muscle &
glands
F:activates involuntary
muscles & glands
Sympathetic
Nervous System
S: sympathetic
neurons
F:activates organs, glands
& muscles involved in
Fight or Flight
Parasympathetic
Nervous System
S: parasympathetic
neurons
F:activates organs, glands
& muscles involve in
Rest & Digestion
Somatic Nervous
System
S: motor neurons
connecting to skeletal
muscle
F:activates voluntary
muscle to contract
S: 31 pairs of spinal
nerves & all branches
S: spinal cord
NERVOUS SYSTEM