Fill in the Blanks The interaction functionOnline version Complete the sentences by maria antonia Iglesias 1 move receive involuntary protects response contract joints relax nervous supports nervous shapes tendons protects system movements helps muscular In the interaction function we information and create a . There are three systems involved : system , skeleton and system . The system controls everything we do . The skeleton system our body and our internal organs . Bones are connected by . The muscular system our body , us to and internal organs . Muscles are connected to bones by . There are two important : voluntary and . Muscles and to move our body .
