Speech production.
D002540:Cerebral Cortex / Q000502:physiology; D002560:Cerebrovascular Circulation; D006801:Humans; D007830:Larynx / Q000502:physiology; D008168:Lung / Q000502:physiology; D009046:Motor Neurons / Q000502:physiology; D013060:Speech / Q000502:physiology*; D014059:Tongue / Q000502:physiology