Synapses

• What happens when an electrical impulse reaches the end of a neuron?

  It triggers a neurotransmitter to be released
• What type of substance is released when an electrical impulse reaches the end of a neuron?


  A chemical neurotransmitter
• What process allows the neurotransmitter to move across the synapse?

  Diffusion
• What is the synapse?

  The gap between neurons
• What happens when the neurotransmitter attaches to the next neuron?

  It triggers an electrical impulse
• What kind of signal is the impulse that travels along neurons?

  Electrical
• What is the nature of a neurotransmitter?

  It is a chemical signal