| A | B |
| Involuntary Muscles | muscles you cannot control |
| flexor muscle | skeletal muscle whose contraction bends a joint |
| tendon | attaches skeletal muscle to bone |
| Muscular Dystrophy | inherited condition that causes your muscles to damage easily |
| extensor muscle | skeletal muscle that straighens a joint |
| skeletal muscles | muscles attached to the skeleton that make movement possible |
| cardiac muscle | type of muscle found in the heart and major blood vessels |
| ligament | tissue that connects bone to bone |