character: Antibody Andy
topic: How Antibodies Identify Pathogens
grade: 9
subject: Biology
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character: Pathogen Pete
topic: Types of Pathogens and Immune Response
grade: 9
subject: Biology
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character: B Cell Bella
topic: B Cells and Antibody Production
grade: 9
subject: Biology
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character: T Cell Tim
topic: Role of T Cells in Immune System
grade: 9
subject: Biology
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