character: Ms. Green
topic: Immune System Response
grade: 10
subject: Biology
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character: Dr. White
topic: Role of White Blood Cells in Immunity
grade: 10
subject: Biology
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character: Mr. Lee
topic: Types of White Blood Cells and Their Functions
grade: 10
subject: Biology
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character: Mrs. Smith
topic: How the Immune System Protects Against Pathogens
grade: 10
subject: Biology
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