No bones about it; your bones can’t do much without muscles to move them. You have three major types of muscle tissue known as skeletal, smooth, and cardiac muscle. Learn about all 11 organ systems with the Amoeba Sisters! http://www.youtube.com/watch?v=nnjmrrQ6xOs
This photo displays smooth muscle, the smallest of all muscle tissue cells. This tissue is characterized by its spider shape and lack of striations. Smooth muscle cells have 1 nucleus and control involuntary movement.