character: John Brown
topic: Introduction to Endocrine Glands
grade: 9
subject: Biology
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character: Mary Smith
topic: Hormones and Their Functions
grade: 9
subject: Biology
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character: Lisa White
topic: Regulation of Metabolism
grade: 9
subject: Biology
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character: Tom Johnson
topic: The Role of Pituitary Gland
grade: 9
subject: Biology
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