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Chapter 21: The Immune System – Innate and Adaptive Body Defenses

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Introduction to the Immune System

Introduction to Innate Immunity

Introduction to First-Line Defenses

Physical Barriers in First-Line Defenses: Skin

Physical Barriers in First-Line Defenses: Mucous Membrane

Introduction to Cells of the Immune System

Cells of the Immune System: Granulocytes

Cells of the Immune System: Agranulocytes

Introduction to Cell Communication

Introduction to the Complement System

Phagocytosis

Introduction to Inflammation

Steps of the Inflammatory Response

Fever

Introduction to Adaptive Immunity

Antigens

Introduction to T Lymphocytes

Major Histocompatibility Complex Molecules

Activation of T Lymphocytes

Functions of T Lymphocytes

Introduction to B Lymphocytes

Antibodies

Classes of Antibodies

Outcomes of Antibody Binding to Antigen

Clonal Selection

Primary and Secondary Response of Adaptive Immunity

Regulatory T Cells

Natural Killer Cells

Review of Adaptive Immunity