"Skeleton and muscles"@en . "Skeleton and muscles" . . . "Juvenile works" . "Juvenile works"@en . . "The skeleton and muscles" . . "The skeleton and muscles"@en . "Describes the musculoskeletal system in a human's body, including information on the physical properties of bones and how muscles and bones work together to make the body move and function." . . . . . . . . . . . .