character: Professor Sarah Lee
topic: Understanding Osteoporosis and Bone Density
grade: 9
subject: Science
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character: Dr. Emily Wang
topic: The Importance of Calcium in Bone Health
grade: 9
subject: Science
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character: Coach Mike Johnson
topic: Exercise and Its Impact on Bone Strength
grade: 9
subject: Science
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character: Nurse Anna Garcia
topic: Preventing Osteoporosis Through Nutrition
grade: 9
subject: Science
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