character: Antibody Andy
topic: IgM - The First Responder
grade: 9
subject: Science
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character: Immunoglobulin G (IgG)
topic: Secondary Immune Response
grade: 9
subject: Science
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character: B Cell Bonnie
topic: B Cells and Antibody Production
grade: 9
subject: Science
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character: Phagocyte Phil
topic: Role of Phagocytes in Immune Defense
grade: 9
subject: Science
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