character: Professor Mark Wilson
topic: Calcium Sources and Bone Strength
grade: 11
subject: Biology
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character: Dr. Emily Carter
topic: Role of Nutrients in Bone Health
grade: 11
subject: Biology
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character: Dr. Kevin Lin
topic: Effects of Calcium Deficiency on the Skeletal System
grade: 11
subject: Biology
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character: Nutritionist Sarah Thompson
topic: Dietary Guidelines for Calcium Intake
grade: 11
subject: Biology
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