title: The politics of the pulmonary circulation.
mesh_terms: D002245:Carbon Dioxide / Q000097:blood; D006801:Humans; D010100:Oxygen / Q000097:blood; D011057:Politics; D011652:Pulmonary Circulation; D014692:Ventilation-Perfusion Ratio
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen