character: Ms. Smith
topic: Gas Exchange in the Lungs
grade: 10
subject: Biology
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character: Dr. Brown
topic: Human Respiratory System
grade: 10
subject: Biology
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character: Mr. Johnson
topic: Diffusion and Gaseous Exchange
grade: 10
subject: Biology
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character: Ms. Taylor
topic: Alveoli and Their Function
grade: 10
subject: Biology
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