character: Cardio Carl
topic: Structure of Arteries
grade: 10
subject: Biology
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character: Cardio Carl
topic: Types of Blood Vessels
grade: 10
subject: Biology
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character: Cardio Carl
topic: Functions of the Circulatory System
grade: 10
subject: Biology
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character: Cardio Carl
topic: Comparison Between Arteries and Veins
grade: 10
subject: Biology
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