character: Professor Skeletal
topic: Bone Structure and Remodeling
grade: 11
subject: Science
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character: Dr. Osteon
topic: The Anatomy of Bones
grade: 11
subject: Science
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character: Ms. Calcium
topic: Role of Minerals in Bone Health
grade: 11
subject: Science
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character: Professor Rigidity
topic: Bone Density and Strength
grade: 11
subject: Science
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