A Level

  • Neurons & nervous systems – Structure and function of neurons, and nervous systems.
  • Nerve impulses – Action potentials, resting potential, sodium-potassium pump.
  • Synapses – The structure and function of synapses, synaptic transmission and neurotransmitters.
  • Simple reflexes – The simple reflexes of tadpoles, rapid reflex arcs, fast reflex loops, innate response.