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Nervous system (2 systems (CNS (components (brain, SC), made directly from…
Nervous system
2 systems
CNS
components
brain
SC
made
directly
from neural tube cells
PNS
Motor division
Autonomic nervous system (involuntary)
sympathetic
parasympathetic
enteric
innervates cardiac tissue, glands, smooth muscle, viscerae
Somatic (voluntary)
innervates skeletal muscle
sensory
Sensory division
Unique to vertebrates!
made from Neural crest cells