The central nervous system

The central nervous system is made up of the brain and spinal cord.

And the peripheral nervous system is made up of nerves and receptors.

The CNS is made up of neurons that coordinate the messages traveling through the nervous system.

The three types of cells, neurons are:

  • The sensory neuron
    Transmit impulses inwards from sense organs to the CNS

  • Motor neurone
    Transmitting impulses from the CNS to muscles and glands elsewhere in the body

  • Relay neurone
    Transmit the electrical impulses generated by the stimuli to other nerves.

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