character: Professor Alan Green
topic: Understanding the Immune System
grade: 9
subject: Science
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character: Dr. Emily Hayes
topic: Introduction to Immunology
grade: 9
subject: Science
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character: Mr. Chris Lee
topic: The Role of White Blood Cells
grade: 9
subject: Science
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character: Ms. Sarah Patel
topic: Vaccines and Immune Response
grade: 9
subject: Science
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