character: Dr. Skeletal
topic: Bone Structure and Composition
grade: 6
subject: Science
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character: Captain Calcium
topic: Importance of Calcium in Bones
grade: 6
subject: Science
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character: Osteo the Owl
topic: Bone Growth and Development
grade: 6
subject: Science
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character: Ricky the Researcher
topic: How Bones Heal and Repair
grade: 6
subject: Science
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