Cardiovascular defense against asphyxia.
D000818:Animals; D001237:Asphyxia; D001775:Blood Circulation / Q000502:physiology*; D001794:Blood Pressure / Q000502:physiology*; D002335:Carnivora; D002417:Cattle; D004242:Diving; D004285:Dogs; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D007101:Immersion / Q000502:physiology*