character: Doc
topic: Hemoglobin Function
grade: 6
subject: Health Education
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character: Ollie the Oxygen Molecule
topic: Oxygen Transportation by Hemoglobin
grade: 6
subject: Health Education
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character: Ella the Erythrocyte
topic: Role of Red Blood Cells in Oxygen Delivery
grade: 6
subject: Health Education
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character: Sammy the Scientist
topic: Understanding Hemoglobin and Its Importance
grade: 6
subject: Health Education
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