Types of neuron

• Sensory Neuron


  found in receptors such as the eyes , ears, tongue and skin. carry nerve impulses to the spinal cord and brain. When they reach the brain translated into 'sensations' such as vision, hearing, taste and touch. Not all sensory neurone reach the brain, some stop at the spinal cord allowing quick reflex actions

  
• relay neurons


  found between sensory input and motor output/response . found in the brain and the spinal cord. Allows sensory and motor neurons to communicate

  
• Motor neuron


  found in the CNS, controls muscle movements. when motor neurons are stimulated they release neurotransmitters that bind to the receptors on muscles to trigger a response, which lead to movement

  
• Axon


  a long slender fibre that carries nerve impulses in the form of an electrical signal known as action potential , away from the cell body towards the axon terminals. Most axons are surrounded by a myelin sheath
• Axon terminal 


  connects the neurons to other neurons
• myelin sheath


  insulate the axon so that the electrical impulses travel faster along the axon
• dendrites receivers 


  dendrites receive signals from other neurons or from sensory receptor cells. Typically connected to the cell body