Respiratory adaptations in selected amphibians.
D000222:Adaptation, Physiological; D000663:Amphibians; D000818:Animals; D001001:Anura; D002245:Carbon Dioxide / Q000097:blood*; D010100:Oxygen / Q000097:blood*; D010828:Physiology, Comparative; D012119:Respiration / Q000502:physiology*; D014562:Caudata
D002245:Carbon Dioxide; D010100:Oxygen