what is nervous system
The nervous system is a complex collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body.It is essentially the bodyâs electrical wiring. Structurally, the nervous system has two components: the central nervous system and the peripheral nervous system.iseases of the nervous system. âOf all the diseases of the nervous system, the most common difficulty that people have is pain, and much of that is nerve-related,â according to Dr. Shai Gozani, founder and CEO of NeuroMetrix, a medical device company.