title: Respiratory and cardiac responses of a burrowing animal, the echidna.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D001237:Asphyxia / Q000503:physiopathology*; D002245:Carbon Dioxide / Q000032:analysis; D004242:Diving; D006339:Heart Rate; D006935:Hypercapnia / Q000503:physiopathology; D000860:Hypoxia / Q000503:physiopathology; D008322:Mammals / Q000502:physiology*; D010100:Oxygen / Q000032:analysis; D012119:Respiration; D012987:Soil
chemical_list: D012987:Soil; D002245:Carbon Dioxide; D010100:Oxygen