character: Dr. Emily Johnson
topic: Cytokines and Immune Cell Interactions
grade: 9
subject: Biology
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character: Professor Mark Tan
topic: The Role of B Cells and T Cells in Immune Response
grade: 9
subject: Biology
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character: Ms. Sarah Lee
topic: Understanding Cytokines in the Immune System
grade: 9
subject: Biology
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character: Mr. David Chen
topic: How T Cells and B Cells Communicate
grade: 9
subject: Biology
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