character: John Doe
topic: Circulatory System and its Role in Gas Exchange
grade: 10
subject: Biology
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character: Jane Smith
topic: Mechanisms of Oxygen Transport in Blood
grade: 10
subject: Biology
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character: Emily Johnson
topic: The Process of Carbon Dioxide Removal in the Body
grade: 10
subject: Biology
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character: Michael Brown
topic: Comparison of Oxygen and Carbon Dioxide Transport
grade: 10
subject: Biology
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