Gaseous exchange in the lungs.
D001784:Blood Gas Analysis; D002245:Carbon Dioxide / Q000378:metabolism; D003490:Cyanosis / Q000503:physiopathology; D006801:Humans; D008168:Lung / Q000502:physiology*; D010100:Oxygen / Q000378:metabolism; D011652:Pulmonary Circulation; D011653:Pulmonary Diffusing Capacity
D002245:Carbon Dioxide; D010100:Oxygen