6. Nervous system

nervous system

The nervous system is a network of neurons whose main feature is to generate, modulate and transmit information between all the different parts of the human body. This property enables many important functions of the nervous system, such as regulation of vital body functions (heartbeatbreathing, digestion), sensation and body movements. Ultimately, the nervous system structures preside over everything that makes us human; our consciousness, cognition, behaviour and memories.

The nervous system consists of two divisions; 

DefinitionA network of neurons that sends, receives and modulates neural impulses between different body parts.
DivisionsCentral nervous system
Peripheral nervous system
Central nervous systemBrain and spinal cord
Peripheral nervous systemSpinal and cranial nerves.
Functional divisions:
– Somatic nervous system
– Autonomic nervous system; sympathetic, parasympathetic and enteric divisions

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