title: Morphological basis of alveolar-capillary gas exchange.
mesh_terms: D000663:Amphibians; D000818:Animals; D001717:Birds; D002196:Capillaries / Q000166:cytology*; D003593:Cytoplasm; D004727:Endothelium / Q000166:cytology; D004777:Environment; D004847:Epithelial Cells; D005399:Fishes; D005880:Gills / Q000033:anatomy & histology; D006801:Humans; D008168:Lung / Q000033:anatomy & histology* / Q000254:growth & development; D008171:Lung Diseases / Q000473:pathology; D008208:Lymphatic System / Q000033:anatomy & histology; D008322:Mammals / Q000033:anatomy & histology; D008854:Microscopy, Electron; D008954:Models, Biological; D009929:Organ Size; D010100:Oxygen / Q000097:blood; D010101:Oxygen Consumption; D005082:Physical Exertion; D011650:Pulmonary Alveoli / Q000098:blood supply / Q000166:cytology*; D011652:Pulmonary Circulation; D011653:Pulmonary Diffusing Capacity; D012104:Reptiles; D012119:Respiration; D009626:Terminology as Topic
chemical_list: D010100:Oxygen