character: Dr. Lee
topic: Blood Flow Pathways
grade: 10
subject: Biology
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character: Dr. Smith
topic: The Circulatory System Basics
grade: 10
subject: Biology
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character: Ms. Johnson
topic: Understanding Heart Anatomy and Function
grade: 10
subject: Biology
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character: Mr. Brown
topic: Role of Veins and Arteries in Blood Flow
grade: 10
subject: Biology
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