Brain and consciousness.
D001921:Brain / Q000502:physiology*; D002540:Cerebral Cortex / Q000502:physiology; D003243:Consciousness; D004563:Electrochemistry; D006801:Humans; D009431:Neural Conduction / Q000502:physiology; D009474:Neurons / Q000502:physiology; D013116:Spinal Cord / Q000502:physiology; D013569:Synapses / Q000502:physiology; D009435:Synaptic Transmission / Q000502:physiology