Change: many visceral organs.Is innervated by the autonomic nervous system, regulating the size of the lumen ofa tubular structure.Undergoes rhythmic contractions called peristaltic waves in the walls of thegastrointestinal (GI) tract, uterine tubes, ureters, and other organs. ◄.....Go back to the gross Anatomy homepage   View changes from previous version. (Word count: 213)

Change: Is voluntary and striated; makes up about 40% of the total body mass; and functions to produce movement of the body, generate body heat, and maintain body posture.Has two attachments, an origin (which is usually the more fixed   View changes from previous version. (Word count: 194)