muscular movement helps animals move & the muscular system contains muscles ->  the muscular system helps animals move  the muscular system helps animals move & the skeletal system is used to give structure for the body of animals ->  in animals, the muscular system helps the body move and the skeletal system gives the body structure  microtubules in eukaryotic organisms help cells move & microfilaments in eukaryotic organisms give cells structure ->  in eukaryotic organisms, microtubules help cells move and microfilaments give cells structure  in animals, the muscular system helps the body move and the skeletal system gives the body structure & in eukaryotic organisms, microtubules help cells move and microfilaments give cells structure ->  microtubules and microfilaments in eukaryotic organisms and the muscular system and skeletal system in animals both combine to help with movement and giving structure  microtubules and microfilaments in eukaryotic organisms and the muscular system and skeletal system in animals both combine to help with movement and giving structure & if two things perform the same function then those two things are similar -> microtubules and microfilaments in eukaryotic organisms are similar the the muscular system and skeletal system in animals