character: Dr. Brown
topic: Functions of Immune Cells
grade: 10
subject: Biology
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character: Dr. Green
topic: Immune Response Mechanisms
grade: 10
subject: Biology
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character: Ms. White
topic: Types of White Blood Cells
grade: 10
subject: Biology
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character: Mr. Black
topic: Role of Antibodies in Immunity
grade: 10
subject: Biology
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