character: Hemoglobin
topic: Role in Oxygen Binding and Transport
grade: 10
subject: Biology
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character: Oxygen
topic: Importance in Cellular Respiration
grade: 10
subject: Biology
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character: Red Blood Cells
topic: Function and Structure
grade: 10
subject: Biology
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character: Carbon Dioxide
topic: Transport and Role in Blood
grade: 10
subject: Biology
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