character: Sam the Scientist
topic: Muscle Contraction Mechanism
grade: 9
subject: Science
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character: Sam the Scientist
topic: Understanding Muscle Fibers in Contraction
grade: 9
subject: Science
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character: Sam the Scientist
topic: The Role of Myosin and Actin in Muscle Function
grade: 9
subject: Science
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character: Sam the Scientist
topic: The Neuromuscular Junction and Muscle Contraction
grade: 9
subject: Science
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