Nervous system
CNS
brain
cerebrum
cerebellum
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spinal cord
sacral
thoracic
cervical
lumbar
( medulla oblungata )brain stem
structure of neuron
cell body
dendrites
axon
myelin sheath
nodes of renvier
axon terminal
nerve cell network
message transmission happens at the synapse . junction of axon terminal connected with other dendrites. the process involeve the transmission of chemical and electrical neurontransmitter. then the body interpret it into senses .