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Innate Immunity: The First and Second Lines of Defense

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Introduction to Innate Immunity

Introduction to First-Line Defenses

Physical Barriers in First-Line Defenses: Skin

Physical Barriers in First-Line Defenses: Mucous Membrane

First-Line Defenses: Chemical Barriers

Phagoctytosis

Introduction to Cells of the Immune System

Cells of the Immune System: Granulocytes

Cells of the Immune System: Agranulocytes

First-Line Defenses: Chemical Barriers

Introduction to the Complement System

Activation Pathways of the Complement System

Effects of the Complement System

Review of the Complement System

Introduction to Inflammation

Steps of the Inflammatory Response

Fever

Interferon Response

First-Line Defenses: Normal Microflora