title: Responsiveness of breathing control centers to CO2 and neurogenic stimuli.
mesh_terms: D000328:Adult; D001933:Brain Stem / Q000502:physiology*; D002245:Carbon Dioxide / Q000097:blood*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D005082:Physical Exertion; D012119:Respiration; D012125:Respiratory Center / Q000502:physiology*
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen