character: Dr. Alice Johnson
topic: Gas Exchange and the Respiratory System
grade: 10
subject: Biology
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character: Dr. Emily Carter
topic: Function of Alveoli in Gas Exchange
grade: 10
subject: Biology
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character: Mr. Tom Richards
topic: Role of Hemoglobin in Oxygen Transport
grade: 10
subject: Biology
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character: Ms. Sarah Patel
topic: Understanding the Mechanics of Breathing
grade: 10
subject: Biology
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