character: Dr. Sarah Lee
topic: The Role of White Blood Cells
grade: 9
subject: Biology
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character: Dr. Jane Smith
topic: Immune Response Mechanisms
grade: 9
subject: Biology
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character: Mr. Tom Brown
topic: Types of White Blood Cells
grade: 9
subject: Biology
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character: Dr. Emily White
topic: Functions of the Immune System
grade: 9
subject: Biology
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