General and comparative physiology of the oxygen transport system.
D000818:Animals; D001692:Biological Transport; D001717:Birds; D001835:Body Weight; D005399:Fishes; D006400:Hematocrit; D006454:Hemoglobins / Q000378:metabolism / Q000502:physiology*; D008322:Mammals; D010101:Oxygen Consumption; D011312:Pressure; D011485:Protein Binding
D006454:Hemoglobins