2.2.1 Neurone

2.2.1 Neurone

  Structure of a neurone

  1. The basic unit of the nervous system is neurone.
  2. The function of neurone is to carry impulses.
  3. Each part of s neurone plays an important role in the transmission of nervous impulses.

Neurone Part
Cell body
Controls all activities of the neurone
Transmits impulses towards a cell body
Receives impulse from other neurone and transmits them to cell body
Transmits impulses out of cell body
Myelin sheath

Speed up the transmission of impulses.
Insulator that prevents the leakage of impulses.


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