character: Dr. James Carter
topic: Overview of the Immune System
grade: 11
subject: Science
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character: Dr. Sarah Mitchell
topic: Function of White Blood Cells
grade: 11
subject: Science
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character: Dr. Emily Johnson
topic: Vaccines and Immune Response
grade: 11
subject: Science
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character: Dr. Michael Brown
topic: The Role of Antibodies in Immunity
grade: 11
subject: Science
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