Pathway of respired gas in the air sacs-lung apparatus of fowl and ducks.
D000400:Air Sacs / Q000502:physiology*; D000818:Animals; D001717:Birds / Q000502:physiology*; D002245:Carbon Dioxide; D002645:Chickens / Q000502:physiology; D010856:Columbidae / Q000502:physiology; D004372:Ducks / Q000502:physiology; D005777:Geese / Q000502:physiology; D008365:Manometry; D012123:Pulmonary Ventilation
D002245:Carbon Dioxide