character: John
topic: Testosterone and Its Role in Male Development
grade: 9
subject: Biology
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character: Sarah
topic: Hormones and Human Growth
grade: 9
subject: Biology
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character: Mike
topic: The Endocrine System and Puberty
grade: 9
subject: Biology
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character: Lisa
topic: The Functions of Hormones in Adolescence
grade: 9
subject: Biology
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