Across
- 1. the bone in the upper arm
- 4. a regulatory protein that blocks myosin from binding to actin
- 5. the shoulder muscle that is relatively triangular
- 7. the calf muscle
- 10. the type of muscle that lines many of your organs
- 11. connects bone to bone
- 12. the smaller bone in the lower leg
- 17. the muscles between the scapulas
- 18. the muscles along the sides of your torso
- 20. the collection of small wrist bones
Down
- 2. the thick filaments of a sarcomere that has heads
- 3. the muscle that lets you turn your head
- 6. the long "shaft" of long bones
- 8. the bone marrow that produces blood cells
- 9. threadlike structures in muscle cells that contain the actin and myosin
- 13. the thin filament of a sarcomere attached to the Z line
- 14. the circular structures in compact bone
- 15. the spaces between the osteons where bone cells live
- 16. connects bone to muscle
- 19. bundles of muscle cells