character: Human Circulatory System
topic: Blood Vessels, Pathways of Blood Flow in Systemic and Pulmonary Circulation
grade: 10
subject: Biology
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character: Heart Function
topic: Role of the Heart in Circulatory Pathways
grade: 10
subject: Biology
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character: Oxygen and Carbon Dioxide Exchange
topic: Gas Exchange in Alveoli and Tissues
grade: 10
subject: Biology
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character: Arteries and Veins
topic: Differences Between Arteries and Veins in Blood Circulation
grade: 10
subject: Biology
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