Body systems poster

The nervous system

how the nervous system works

The nervous system works the brain sending electrical jolts to a specific muscles through small cells called neurons.


The nervous system consists of two different groups


  1. The central nervous system or CNS ( brain and spinal cord)
  2. The peripheral nervous system or PNS (all other nerves)


Nervous diseases

there are multiple nervous disease types such as:

  • Encephalitis
  • Meningitis
  • Arachnoid cysts
  • Tropical spastic paraparesis
  • Huntington's disease
  • Alzheimer’s disease,
  • Locked-in syndrome
  • Parkinson’s disease
  • Tourette's syndrome
  • Multiple sclerosis

Nervous system
The Nervous System - CrashCourse Biology #26