character: Ella the Erythrocyte
topic: Role of Red Blood Cells in Oxygen Delivery
grade: 6
subject: Health Education
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character: Henry the Hemoglobin
topic: Function of Hemoglobin in Blood
grade: 6
subject: Health Education
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character: Carrie the Capillary
topic: How Capillaries Facilitate Gas Exchange
grade: 6
subject: Health Education
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character: Ollie the Oxygen
topic: Importance of Oxygen in Cellular Respiration
grade: 6
subject: Health Education
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