Thehumanmuscularsystemisanorgansystemconsistingofskeletal,smoothandcardiacmuscles.Itpermitsmovementofthebody,maintainsposture,andcirculatesbloodthroughoutthebody.Themuscularsysteminvertebratesiscontrolledthroughthenervoussystem,althoughsomemuscles(suchasthecardiacmuscle)canbecompletelyautonomous.Togetherwiththeskeletalsystemitformsthemusculoskeletalsystem,whichisresponsibleformovementofthehumanbody.