Structure of Neurons

• Stimulus-response flow diagram

  Stimulus- Receptors- Sensory Neuron- CNS- Relay Neuron- Motor Neuron- Effector- Response
• Sensory neurons

  Transmit electrical impulses from receptors to CNS.
• Relay neurons 


  Transmit electrical impulses between sensory and motor neurons.
•  Motor neurons


  Transmit electrical impulses from CNS to effectors.