character: Sammy the Cell
topic: The Role of Cells in Gas Exchange
grade: 6
subject: Health Education
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character: Ally the Alveoli
topic: Gas Exchange in the Lungs
grade: 6
subject: Health Education
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character: Harry the Hemoglobin
topic: Transporting Oxygen and Carbon Dioxide
grade: 6
subject: Health Education
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character: Bella the Blood Cell
topic: Circulatory System and Gas Exchange
grade: 6
subject: Health Education
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