character: Red Blood Cells
topic: Role in Circulatory System
grade: 10
subject: Biology
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character: White Blood Cells
topic: Immune Response in Circulatory System
grade: 10
subject: Biology
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character: Platelets
topic: Clotting Mechanism in Circulatory System
grade: 10
subject: Biology
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character: Plasma
topic: Transport Medium in Circulatory System
grade: 10
subject: Biology
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