character: Ms. Sarah Lin
topic: The Role of the Diaphragm in Breathing
grade: 9
subject: Science
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character: Dr. Emily Dawson
topic: Mechanics of the Respiratory System
grade: 9
subject: Science
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character: Mr. James Carter
topic: Understanding Lung Function and Capacity
grade: 9
subject: Science
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character: Ms. Maya Patel
topic: The Importance of Oxygen in Cellular Respiration
grade: 9
subject: Science
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