title: Avian physiology.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D001717:Birds / Q000196:embryology / Q000502:physiology*; D001810:Blood Volume; D001833:Body Temperature Regulation; D001980:Bronchi / Q000502:physiology; D002245:Carbon Dioxide / Q000378:metabolism; D004734:Energy Metabolism; D005321:Extraembryonic Membranes / Q000378:metabolism; D005426:Flight, Animal; D006863:Hydrogen-Ion Concentration; D000860:Hypoxia; D007668:Kidney / Q000502:physiology; D007671:Kidney Concentrating Ability; D050356:Lipid Metabolism; D008124:Locomotion; D008168:Lung / Q000502:physiology; D010100:Oxygen / Q000097:blood; D010101:Oxygen Consumption; D012123:Pulmonary Ventilation; D012119:Respiration; D014527:Uric Acid / Q000652:urine; D014882:Water-Electrolyte Balance
chemical_list: D002245:Carbon Dioxide; D014527:Uric Acid; D010100:Oxygen