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）
