• Our body is able to respond to various different stimuli (signals or actions) of the environment on us
  • Cells of the nervous tissue are responsible for transmitting these signals quickly from one place of the body to another.
  • The brain, spinal cord and nerves form the nervous system and they are all composed of nervous tissues
  • The cells are called nerve cells or neurons . One cell can be even 1 metre long.




Branched structure that collects information from previous neuron and passes on to the cell body or soma of neuron

Cell body or Soma

It contains the nucleus and other organelles like mitochondria, endoplasmic reticulum, Golgi body etc.


Tube-like structure that carries information from the cell body to the nerve endings

Nerve endings

The end of the axon where the nerve terminates.


  • The nerve cells collectively make up the nerve .
  • The signals that pass through the nerves called nerve impulses allow us to move our muscles as per our will
  • The nerves and muscles together enables animals to move and respond to stimuli rapidly

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo