• The skeletal muscular system consists of the 206 bones and hundreds of muscles that protect and support the internal organs and help the body move.

    骨骼肌肉系统206块骨骼数百肌肉组成,它们保护支持内部器官帮助身体运动

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  • The skeletal muscular system consists of the 206 bones and hundreds of muscles that protect and support the internal organs and help the body move.

    骨骼肌肉系统206块骨骼数百肌肉组成,它们保护支持内部器官帮助身体运动

    youdao

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