character: Dr. Sarah Johnson
topic: Cellular Communication in the Immune System
grade: 12
subject: Biology
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character: Dr. Emily Carter
topic: Immune System Responses to Pathogens
grade: 12
subject: Biology
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character: Dr. Michael Lee
topic: Cell Signaling Pathways in Immunology
grade: 12
subject: Biology
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character: Dr. Amanda Robinson
topic: Role of Cytokines in Immune Cell Communication
grade: 12
subject: Biology
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