character: Dr. Sarah Johnson
topic: Physiology of the Heart and Circulatory System
grade: 11
subject: Biology
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character: Mr. Robert Smith
topic: How Heart Function Impacts Blood Flow
grade: 11
subject: Biology
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character: Ms. Emily Davis
topic: Circulatory Challenges Related to Heart Function
grade: 11
subject: Biology
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character: Dr. Michael Brown
topic: The Role of the Heart in Overall Body Circulation
grade: 11
subject: Biology
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