Select Lesson Lesson 1.1: The Language of Anatomy and Physiology Lesson 1.2: Basic Physiological Processes Lesson 1.3: How Forces Affect the Body Lesson 1.4: Understanding Science Lesson 2.1: Molecules of Life Lesson 2.2: Cells Lesson 2.3: Tissues Lesson 3.1: Body Membranes Lesson 3.2: The Integumentary System Lesson 3.3: Injuries and Disorders of the Skin Lesson 4.1: Bone as a Living Tissue Lesson 4.2: The Axial Skeleton Lesson 4.3: The Appendicular Skeleton Lesson 4.4: Joints Lesson 4.5: Common Injuries and Disorders of the Skeletal System Lesson 5.1: Muscle Tissue Categories and Functions Lesson 5.2: Skeletal Muscle Actions Lesson 5.3: The Major Skeletal Muscles Lesson 5.4: Common Injuries and Disorders of Muscles Lesson 6.1: Overview of the Nervous System Lesson 6.2: Transmission of Nerve Impulses Lesson 6.3: Functional Anatomy of the Central Nervous System Lesson 6.4: Functional Anatomy of the Peripheral Nervous System Lesson 6.5: Injuries and Disorders of the Nervous System Lesson 7.1: The Eye Lesson 7.2: The Ear Lesson 7.3: Smell and Taste Lesson 8.1: Functions and Control of the Endocrine System Lesson 8.2: Major Endocrine Organs Lesson 8.3: Endocrine Disorders Lesson 9.1: Functions and Anatomy of the Respiratory System Lesson 9.2: Respiration Mechanics and Control Lesson 9.3: Respiratory Diseases and Disorders Lesson 10.1: The Function and Composition of Blood Lesson 10.2: Blood Types Lesson 10.3: Blood Disease and Disorders Lesson 11.1: Heart Anatomy and the Function of the Cardiovascular System Lesson 11.2: Regulation of the Heart Lesson 11.3: Blood Vessels and Circulation Lesson 11.4: Heart Disease Lesson 12.1: The Lymphatic System Lesson 12.2: Nonspecific Defenses Lesson 12.3: Specific Defenses Lesson 12.4: Disorders and Diseases of the Immune System Lesson 13.1: Nutrition Lesson 13.2: Anatomy and Physiology of the Digestive System Lesson 13.3: Disorders and Diseases of the Digestive System Lesson 14.1: Anatomy of the Kidney Lesson 14.2: Urine Formation, Storage, and Excretion Lesson 14.3: Diseases and Disorders of the Urinary System Lesson 15.1: Meiosis Versus Mitosis Lesson 15.2: Male Reproductive System Anatomy and Physiology Lesson 15.3: Female Reproductive System Anatomy and Physiology Lesson 15.4: Fertilization, Pregnancy, and Birth Lesson 15.5: Disorders of the Reproductive System