character: Ms. Davis
topic: Gas Exchange Mechanisms
grade: 10
subject: Biology
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character: Mr. Thompson
topic: Respiration and Gas Exchange
grade: 10
subject: Biology
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character: Ms. Johnson
topic: Oxygen Transport in Animals
grade: 10
subject: Biology
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character: Dr. Lee
topic: Photosynthesis and Gas Exchange in Plants
grade: 10
subject: Biology
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