character: Captain Calcium
topic: The Importance of Calcium for Healthy Bones
grade: 9
subject: Science
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character: Bone Builder
topic: Understanding the Role of Calcium in Bone Density
grade: 9
subject: Science
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character: Health Hero
topic: Essential Nutrients for Bone Strength
grade: 9
subject: Science
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character: Nutrition Navigator
topic: Calcium Sources and Their Benefits for Teens
grade: 9
subject: Science
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