The Muscular System

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Across
  1. 3. place of union between two or more bones
  2. 4. any body part attached to a main structure
  3. 6. spongy or porous structure, as found at the end of long bones
  4. 8. A protein that holds a reserve supply of oxygen in muscle cells?
  5. 9. What is the ability of a muscle to recoil after being stretched?
  6. 11. What is another name for a muscle cell?
  7. 13. The actions of smooth muscles Are?
  8. 14. increases the angle of the joint
  9. 17. word meaning moves closer to the midline
  10. 18. How many types of muscle tissue are found in the human body?
  11. 19. What type of muscle forms the walls of hollow internal structures?
  12. 21. The Tendon connects the muscle to?
Down
  1. 1. How is cardiac muscle contraction regulated?
  2. 2. What organ's wall is composed mostly of cardiac muscle tissue?
  3. 5. What is the cytoplasm of the muscle cell?
  4. 7. What type of muscle forms most of the heart?
  5. 10. What is the energy needed for muscle contraction?
  6. 12. decreases the angle of a joint
  7. 15. what elastic protein, keeps thick and thin filaments aligned
  8. 16. What are the three muscle types in the body? Cardiac, smooth and _____
  9. 20. The thicker filaments are the ________filaments.