character: Dr. Immuno
topic: Macrophages and Their Role in Immune Defense
grade: 10
subject: Biology
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character: Cellular Sally
topic: The Importance of White Blood Cells in the Immune System
grade: 10
subject: Biology
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character: Biology Bob
topic: How the Innate Immune System Protects the Body
grade: 10
subject: Biology
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character: Pathogen Pete
topic: Understanding Pathogens and the Body's Defense Mechanisms
grade: 10
subject: Biology
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