character: Mr. Smith
topic: Circulatory System Overview
grade: 11
subject: Science
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character: Dr. Johnson
topic: Human Physiology: The Heart and Vascular System
grade: 11
subject: Science
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character: Ms. Taylor
topic: Blood Flow and the Role of the Circulatory System
grade: 11
subject: Science
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character: Mr. Lee
topic: Cardiovascular Health and Diseases
grade: 11
subject: Science
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