character: Dr. Bloodsworth
topic: Understanding Blood Components
grade: 9
subject: Science
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character: Ms. Hemoglobin
topic: Red Blood Cells: Structure and Function
grade: 9
subject: Science
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character: Captain Immune
topic: The Role of White Blood Cells in the Immune System
grade: 9
subject: Science
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character: Platelet Pete
topic: Platelets: The Body’s Clotting Agents
grade: 9
subject: Science
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