character: Oxygenator Owl
topic: The Importance of Oxygen Exchange in the Bloodstream
grade: 10
subject: Biology
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character: Hemoglobin Hero
topic: Function of Hemoglobin in Oxygen Transport
grade: 10
subject: Biology
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character: Capillary Cat
topic: Role of Capillaries in Gas Exchange
grade: 10
subject: Biology
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character: Respiration Raccoon
topic: The Process of Cellular Respiration and Oxygen Use
grade: 10
subject: Biology
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