character: Oxygen Explorer
topic: Role of the Circulatory System in Gas Exchange
grade: 10
subject: Biology
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character: Dr. Breather
topic: Understanding Hemoglobin's Function in Oxygen Transport
grade: 10
subject: Biology
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character: Cardio Captain
topic: How Blood Circulation Affects Cellular Respiration
grade: 10
subject: Biology
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character: Gas Guru
topic: The Path of Oxygen from Inhalation to Cellular Use
grade: 10
subject: Biology
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