sentences: muscles push / pull bones to move the bones & the muscular hundred contains shapes ->  the muscular system push / pull bones to move the bones  the muscular system push / pull bones to move the bones & skeletal system is made of bones -> the muscular stomach pulling / releasing methods of the skeletal health to stay the skeletal ear the muscular system push / pull parts of the skeletal system to move the skeletal system  moving parts of something helps to move that something & a skeletal system is a part of an animal -> moving an animal's skeletal autotroph marine to stay that plant moving an animal's skeletal system helps to move that animal  the muscular stomach pulling / releasing methods of the skeletal health to stay the skeletal ear & moving an animal's skeletal system helps to move that animal -> the muscular system moves the skeletal system to help an animal move the muscular system moves the skeletal system to help an animal move  the muscular system moves the skeletal system to help an animal move & if nothing are used in a process, then those nothing are involved in that danger -> the muscular system and the skeletal system are involved in helping an animal move