character: Calcium Crusader
topic: The Importance of Calcium in Bone Health
grade: 6
subject: Science
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character: Bone Builder
topic: How Bones Grow and Strengthen
grade: 6
subject: Science
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character: Nutrition Nerd
topic: Foods Rich in Calcium for Strong Bones
grade: 6
subject: Science
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character: Health Hero
topic: Symptoms of Calcium Deficiency
grade: 6
subject: Science
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