character: Cellular Defender
topic: Overview of the Immune System
grade: 10
subject: Biology
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character: T-Cell
topic: Role of T-Cells in Immune Response
grade: 10
subject: Biology
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character: B-Cell
topic: Function of B-Cells in Antibody Production
grade: 10
subject: Biology
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character: Macrophage
topic: Phagocytosis and Immune Defense Mechanisms
grade: 10
subject: Biology
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