Contents Unit One Bones,Muscles and Nerves 1 Unit Two Skin 16 Unit Three Anatomy and Physiology of Respiration 28 Unit Four Urinary Organs and Urinalysis 42 Unit Five Anatomy and Physiology of the Heart 57 Unit Six Blood and Blood Groups 70 Unit Seven Lymph and Lymphatic Organs 85 Unit Eight Pharmacology 97 Unit Nine Psychiatry 112 Unit Ten Oral Cavity and the Esophagus 126 Unit Eleven Stomach and Intestines 139 Unit Twelve Cancer and Carcinogenesis 153 Unit Thirteen Radiology 168 Unit Fourteen Nuclear Medicine 182