character: Mr. Muscle
topic: Skeletal Muscle Function: How Muscles Work
grade: 3
subject: Science
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character: Sarah the Scientist
topic: The Basics of Muscles and Movement
grade: 3
subject: Science
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character: Captain Strong
topic: Understanding Your Body's Muscles
grade: 3
subject: Science
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character: Dr. Flex
topic: How Muscles Help Us Move
grade: 3
subject: Science
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