character: Ms. Emily Johnson
topic: The Role of Collagen in Skin Elasticity
grade: 11
subject: Biology
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character: Dr. Sarah Mitchell
topic: Understanding Skin Aging and Collagen Breakdown
grade: 11
subject: Biology
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character: Mr. David Lee
topic: The Impact of Nutrition on Collagen Production
grade: 11
subject: Biology
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character: Ms. Laura Kim
topic: The Biochemistry of Skin Repair and Regeneration
grade: 11
subject: Biology
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