Unit One Sectiot A Body Systems Section B The Difference a Teacher Can Make Unit Two Section A Disease and Its Causes Section B American Hospitality Unit Three Section A Disease-Causing Organisms Section B The Nutrients in Food Unit Four Section A What the Skin Does and Tells Section B Seven Ways to Keep Fit and Trim Unit Five Section A The Structures and Functions of Bones and Joints Section B The Benefits of Keeping Active Unit Six Section A Blood Section B Table Manners That Matter Unit Seven Section A Structure of the Heart Section B U．S．Independence Day Unit Eight Section A Pulse and Blood Pressure Section B The Story of Alfred Nobel Unit Nine Section A Liver Section B American Culture：Culture Shock Unit Ten Section A The Stomach and Its Disorders Section B Become Healthier with Green Tea Unit Eleven Section A Lungs Section B 12 Important Tips to Prevent Cold and Flu Infection Unit Twele Section A Ventilation Section B Nursing Education in U．K．（Part I） Unit Thirteen Section A Kidneys and Body Chemistry Section B Nursing Education in U．K．（Part II） Unit Fourteen Section A Thyroid Gland and Thyroxin Section B Introduction to the American Health Care System（Part I） Unit Fifteen Section A Benign and Malignant Tumors Section B Introduction to the American Health Care System（Part II）
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