Across
- 1. provides myosin with energy to bind to actin
- 3. bundle of muscle fibers
- 6. ability of muscle to shorten/change shape
- 7. forms cross bridges with actin filaments
- 8. regulatory muscle protein with three binding sites
- 10. binds to troponin to remove tropomyosin block
Down
- 2. covers myosin binding site
- 4. outermost layer of muscle tissue
- 5. thin myofilament
- 9. functional unit of muscle