UNIT 1: ORGANIZATION OF THE BOD〈h4〉 The Human Body: An Orientation Chemistry Comes Alive Cells: The Living Units Tissue: The Living Fabric〈h4〉 UNIT 2: COVERING, SUPPORT, AND MOVEMENT OF THE BODY〈/h4〉 The Integumentary System Bones and Skeletal Tissue. The Skeleton Joints Muscles and Muscle Tissue The Muscular System〈h4〉 UNIT 3: REGULATION AND INTEGRATION OF THE BODY〈/h4〉 Fundamentals of the Nervous System and Nervous Tissue The Central Nervous SystemThe Peripheral Nervous System and Reflex Activity The Autonomic Nervous System The Special Senses The Endocrine System〈h4〉 UNIT 4: MAINTENANCE OF THE BODY〈/h4〉 Blood The Cardiovascular System: The Heart The Cardiovascular System: Blood Vessels The Lymphatic System and Lymphoid Organs and Tissues The Immune System: Innate and Adaptive Body Defenses The Respiratory System The Digestive System Nutrition, Metabolism, and Body Temperature Regulation The Urinary System Fluid, Electrolyte, and Acid-Base Balance〈h4〉 UNIT 5: CONTINUITY〈/h4〉 The Reproductive System Pregnancy and Human Development Heredity