By contracting, muscles pull on bones and allow the body to move. Muscles can only contract. They cannot actively extend, though they can move or relax back into the non-contracted neutral position. Therefore, to move bones in opposite directions, pairs of muscles must work in opposition
An integrated curriculum involves learning goals across multiple content areas.
Sandpaper for toil or paper!! It would burn tho...
Making chocolate covered strawberries, because you want to melt the chocolate then freeze it on the strawberries
