Blue is PNS while red is CNS.
The peripheral nervous system (PNS)
resides or extends outside the central nervous system.
The central nervous system (CNS),
which consists of:
The brain
The spinal cord
To serve the limbs and organs. Unlike the central nervous system, however,
The PNS is not protected by bone, leaving it exposed to toxins and mechanical injuries.
The peripheral nervous system is divided into:
a. The somatic nervous system
b. The autonomic nervous system
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