character: Ms. Emily Brown
topic: Respiratory System Overview
grade: 10
subject: Biology
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character: Dr. Sarah Johnson
topic: Function of the Lungs
grade: 10
subject: Biology
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character: Mr. Tom Richards
topic: Gas Exchange in the Alveoli
grade: 10
subject: Biology
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character: Ms. Laura Green
topic: Structure of the Respiratory Tract
grade: 10
subject: Biology
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