| A | B |
| Muscular System | The more than 600 muscles that work together to move the body. |
| Skeletal Muscle | The voluntary muscle that attaches to bone and allows the body move. |
| Striated | Banded or striped |
| Smooth Muscle | The involuntary tissue that makes up the muscle found in internal organs. |
| Cardiac Muscle | The involuntary muscle tissue that is found ONLY in the heart. |
| Tendons | Thick connective tissue that holds muscle to bone. |
| Ligament | Thick connective tissue that holds bone to bone. |
| Involuntary Muscle | Muscle tissue that is not under our conscious control. |
| Voluntary Muscle | Muscle tissue that is under our conscious control. |
| Contraction | The change in a muscle by which it becomes thicker and shorter. |