character: Dr. Emily Wang
topic: The Interplay Between the Respiratory and Circulatory Systems
grade: 11
subject: Biology
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character: Dr. John Smith
topic: The Role of Hemoglobin in Oxygen Transport
grade: 11
subject: Biology
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character: Ms. Sarah Johnson
topic: Gas Exchange Processes in the Lungs
grade: 11
subject: Biology
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character: Mr. David Brown
topic: Cardiovascular Impacts of Respiratory Health
grade: 11
subject: Biology
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