character: Henry the Hemoglobin
topic: Function of Red Blood Cells in Oxygen Transport
grade: 6
subject: Health Education
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character: Ollie the Oxygen Molecule
topic: How Oxygen is Carried by Red Blood Cells
grade: 6
subject: Health Education
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character: Ruby the Red Blood Cell
topic: The Journey of Red Blood Cells in the Body
grade: 6
subject: Health Education
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character: Ella the Enzyme
topic: Supporting Red Blood Cells in Oxygen Release
grade: 6
subject: Health Education
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