character: Dr. Emily Green
topic: Carbon Dioxide Transport Mechanisms in the Blood
grade: 10
subject: Biology
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character: Professor Mark Black
topic: The Role of Hemoglobin in Gas Exchange
grade: 10
subject: Biology
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character: Dr. Sarah White
topic: Diffusion of Gases in the Alveoli
grade: 10
subject: Biology
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character: Mr. John Blue
topic: The Importance of the Respiratory System
grade: 10
subject: Biology
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