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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Science & Engineering
High school biology
Human body systems
The musculoskeletal system
The musculoskeletal system
Skeletal structure and function
Cartilage
Ligaments, tendons, and joints
Three types of muscle
Anatomy of a skeletal muscle cell
LeBron Asks: What muscles do we use when shooting a basket?
The musculoskeletal system
