Reptiles as research models in comparative physiology.
D000818:Animals; D000830:Animals, Laboratory; D005075:Biological Evolution; D001831:Body Temperature; D001833:Body Temperature Regulation; D002320:Cardiovascular Physiological Phenomena; D006321:Heart / Q000502:physiology; D009119:Muscle Contraction; D009132:Muscles / Q000502:physiology; D012104:Reptiles / Q000378:metabolism / Q000502:physiology*; D012106:Research; D012491:Salt Gland / Q000502:physiology; D013696:Temperature