character: Mr. David Kim
topic: Preventing osteoporosis through physical activity in youth
grade: 9
subject: Science
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character: Dr. Sarah Lee
topic: The role of nutrition in bone health during adolescence
grade: 9
subject: Science
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character: Coach Mike Thompson
topic: Strength training exercises for teens
grade: 9
subject: Science
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character: Ms. Emily Rodriguez
topic: Understanding the importance of calcium and vitamin D for young athletes
grade: 9
subject: Science
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