A prison gang, correctly defined, is any gang (where a gang is a group of three or more persons who recurrently commit crime, and where the crime is openly known to the group) that operates in prison.
The skeletal system can be thought of as the passive partner in producing movement; the muscular system can be thought of as the active partner. This chapter explains how muscles interact with bones to maintain posture and produce movement.he skeletal system can be thought of as the passive partner in producing movement; the muscular system can be thought of as the active partner. This chapter explains how muscles interact with bones to maintain posture and produce movement.
Skeletal muscles are typically attached to bones by tendons (stringy tissue) so we can use these muscles to move our bones, to move our bodies. They come in pairs, so that contracting one of the pair of the muscles will move the bone one way â and contracting the other one of the pair will move the bone the other way.