character: Dr. Mark Johnson
topic: Function of Hemoglobin in Red Blood Cells
grade: 9
subject: Science
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character: Ms. Linda Carter
topic: Structure of Red Blood Cells and Their Components
grade: 9
subject: Science
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character: Mr. Tom Roberts
topic: Oxygen Transport Mechanism in the Blood
grade: 9
subject: Science
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character: Dr. Emily Davis
topic: Role of Iron in Hemoglobin Function
grade: 9
subject: Science
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