Bimodal gas exchange and ventilation-perfusion relationship in lower vertebrates.
D000400:Air Sacs / Q000502:physiology; D000818:Animals; D005075:Biological Evolution; D001775:Blood Circulation; D002245:Carbon Dioxide / Q000378:metabolism*; D005399:Fishes / Q000502:physiology; D005880:Gills / Q000502:physiology; D008168:Lung / Q000502:physiology; D010100:Oxygen / Q000097:blood; D010101:Oxygen Consumption; D010828:Physiology, Comparative; D014562:Caudata / Q000502:physiology; D014692:Ventilation-Perfusion Ratio; D014714:Vertebrates / Q000502:physiology*; D014867:Water
D014867:Water; D002245:Carbon Dioxide; D010100:Oxygen