character: Dr. James Lee
topic: Testosterone and Its Role in Male Physical Development
grade: 9
subject: Science
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character: Dr. Sarah Kim
topic: Hormonal Changes during Puberty
grade: 9
subject: Science
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character: Mr. Brian Thompson
topic: The Effects of Exercise on Muscle Growth
grade: 9
subject: Science
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character: Ms. Emily Chen
topic: Nutrition's Influence on Adolescent Growth
grade: 9
subject: Science
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