character: The Immune Defender
topic: Functions of White Blood Cells
grade: 10
subject: Biology
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character: Microbe Hunter
topic: Role of Phagocytes in the Immune System
grade: 10
subject: Biology
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character: Lymphocyte Legion
topic: Types of White Blood Cells and Their Functions
grade: 10
subject: Biology
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character: Antibody Ally
topic: How B Cells and T Cells Work in Immunity
grade: 10
subject: Biology
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