The Muscular System
Across
- 1. forms the supporting tissue of blood vessels and hollow internal organs
- 4. maximus located on the posterior of the body
- 7. to draw toward or past the median axis of the body
- 8. a form of striated muscle tissue
- 10. located at the upper lateral surface of the tibia
- 12. a fibrous protein that forms the contractile filaments of muscle cells
- 13. located outside of the shoulder
- 14. located on the front of the thigh
- 17. a muscle that opposes the actions of another
- 18. located on the neck, down the spine to the middle of the back
- 20. unbending movement around a joint or limb
- 21. located along the humerus
Down
- 1. a structural unit of myofibril in striated muscle
- 2. movement of a limb away from the midline of the body
- 3. located on the front part of the upper arm
- 4. located on the back of the lower leg
- 5. extremely specialized, evolved to pump blood throughout the body
- 6. the action of bending or the condition of being bent
- 9. filament this theory explains the mechanism of muscle contractions based on muscle proteins that slide past each other to generate movement
- 11. actin forms a _______ filament
- 15. located at the rear of the upper leg
- 16. a complex organic chemical that provides energy to drive many processes in living cells
- 19. a protein that forms the contractile filaments of muscle cells
- 21. myosin forms a _______ filament