character: Ms. Vascular
topic: Blood Vessels and Circulatory System Overview
grade: 9
subject: Science
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character: Mr. Heart
topic: Function of the Heart and Circulatory Pathways
grade: 9
subject: Science
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character: Dr. Artery
topic: Types of Blood Vessels: Arteries, Veins, and Capillaries
grade: 9
subject: Science
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character: Professor Circulate
topic: Importance of Circulation in Human Health
grade: 9
subject: Science
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