character: Nurse Nancy
topic: The Role of Blood Vessels in Oxygen Transport
grade: 6
subject: Health Education
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character: Nurse Oxygen
topic: Understanding How Blood Carries Oxygen
grade: 6
subject: Health Education
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character: Nurse Nancy
topic: The Importance of Oxygen in the Body
grade: 6
subject: Health Education
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character: Nurse Oxygen
topic: How Blood Vessels Function in the Circulatory System
grade: 6
subject: Health Education
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