character: Anatomy Explorer
topic: Blood Circulation: The Heart and Blood Vessels
grade: 10
subject: Biology
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character: Circulatory System Guru
topic: Understanding Blood Flow: Arteries, Veins, and Capillaries
grade: 10
subject: Biology
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character: Physiology Teacher
topic: The Role of the Heart in Circulatory System
grade: 10
subject: Biology
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character: Health Educator
topic: Functions of Blood: Oxygen Transport and Waste Removal
grade: 10
subject: Biology
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