Across
- 4. muscle attachment site that moves with contraction
- 7. movement increases the angle of the joint
- 9. link bones to joints
- 11. attachment site that doesn't move during contraction
- 12. found in the heart wall
- 13. muscle movement under conscious control
- 14. ties muscle to bone
Down
- 1. muscle movement not under conscious control
- 2. produces the energy in a muscle cell
- 3. one muscle contracts the other muscle relaxes
- 5. muscles that carry out the routine
- 6. fat middle section of a muscle
- 8. muscles that move the skeleton
- 10. movement that reduces the angle of a joint