Unit I The Body as a Whole Chapter 1 Organization of the Human Body Chapter 2 Chemistry, Matter, and Life Chapter 3 Cells and Their Functions Chapter 4 Tissues, Glands, and Membranes Unit II Disease and the First Line of Defense Chapter 5 Disease and Disease-Producing Organisms Chapter 6 The Integumentary System Unit III Movement and Support Chapter 7 The Skeletal System Chapter 8 The Muscular System Unit IV Coordination and Control Chapter 9 The Nervous System: The Spinal Cord and Spinal Nerves Chapter 10 The Nervous System: The Brain and Cranial Nerves Chapter 11 The Sensory System Chapter 12 The Endocrine System: Glands and Hormones Unit V Circulation and Body Defense Chapter 13 The Blood Chapter 14 The Heart and Heart Disease Chapter 15 Blood Vessels and Blood Circulation Chapter 16 The Lymphatic System and Lymphatic Circulation Chapter 17 Immunity Unit VI Energy: Supply and Use Chapter 18 The Respiratory System Chapter 19 The Digestive System Chapter 20 Metabolism, Nutrition, and Body Temperature Chapter 21 The Urinary System Chapter 22 Body Fluids Unit VII Perpetuation of Life Chapter 23 The Male and Female Reproductive Systems Chapter 24 Development and Birth Chapter 25 Heredity and Hereditary Diseases Question 1 See full question The basic units of life are You Selected:  cells Correct response:  cells Explanation: Reference: Cohen, BJ, and Hull, KL. Memmler’s The Human Body in Health and Disease, 13th ed., Philadelphia: Wolters Kluwer Health, 2015, Chapter 1: Organization of the Human Body, p. 4. Question 2 See full question The difference between the inside of the refrigerator and the inside of the freezer is called the You Selected:  Temperature gradient Correct response:  Temperature gradient Explanation: Reference: Cohen, BJ, and Hull, KL. Memmler’s The Human Body in Health and Disease, 13th ed., Philadelphia: Wolters Kluwer Health, 2015, Chapter 1: Organization of the Human Body Question 3 See full question The gallbladder lies in the You Selected:  abdominal cavity Correct response:  abdominal cavity Explanation: Reference: Cohen, BJ, and Hull, KL. Memmler’s The Human Body in Health and Disease, 13th ed., Philadelphia: Wolters Kluwer Health, 2015, Chapter 1: Organization of the Human Body, p. 10. Question 4 See full question The sum of all the chemical reactions that occur in the body makes up _______________. You Selected:  metabolism Correct response:  metabolism