The nervous system: structure and function.
D001921:Brain / Q000502:physiology; D002490:Central Nervous System / Q000502:physiology*; D006801:Humans; D018377:Neurotransmitter Agents / Q000502:physiology; D010525:Peripheral Nerves / Q000502:physiology; D013116:Spinal Cord / Q000502:physiology; D009435:Synaptic Transmission
D018377:Neurotransmitter Agents