title: Changes in control of ventilation, awake and asleep, in the elderly.
mesh_terms: D000368:Aged; D006801:Humans; D006935:Hypercapnia / Q000503:physiopathology; D000860:Hypoxia / Q000503:physiopathology; D010313:Partial Pressure; D010465:Perception / Q000502:physiology; D005082:Physical Exertion; D012119:Respiration; D012125:Respiratory Center / Q000502:physiology; D012890:Sleep / Q000502:physiology*; D012891:Sleep Apnea Syndromes / Q000503:physiopathology; D014692:Ventilation-Perfusion Ratio; D014851:Wakefulness / Q000502:physiology*