character: Dr. Bio
topic: Circulatory System Overview
grade: 10
subject: Biology
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character: Capillary Carl
topic: Function of Capillaries in Nutrient Exchange
grade: 10
subject: Biology
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character: Oxygen Olivia
topic: Role of Capillaries in Oxygen Transport
grade: 10
subject: Biology
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character: Venous Victor
topic: Capillaries and Venous Return in Circulation
grade: 10
subject: Biology
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