character: Ms. Taylor
topic: The Human Immune System: Its Components and Functions
grade: 9
subject: Biology
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character: Dr. Johnson
topic: Overview of the Immune Response
grade: 9
subject: Biology
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character: Ms. Lee
topic: Types of White Blood Cells
grade: 9
subject: Biology
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character: Mr. Smith
topic: Vaccines and Immunity
grade: 9
subject: Biology
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