Anatomy: Muscular System

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Across
  1. 2. Central Body of the Muscle
  2. 3. muscles attached to the bone of skeleton
  3. 7. muscle the moves in opposite direction of the pair
  4. 8. molecule required for energy in the muscles
  5. 9. Muscles found only in the heart
  6. 12. Protein filaments that are thin
  7. 14. Rod Like filaments in muscles
  8. 15. functional unit of the muscle cell
  9. 16. Muscles that are used excessively will do this
  10. 18. Muscle found in walls of intestines
  11. 20. muscle on the back of the upper arm
  12. 21. Separates and surrounds fascicles
  13. 22. Cytoplasm of the muscle cell
Down
  1. 1. characteristic of muscles to return to original length when relaxed
  2. 4. Bundles of Muscle Fibers
  3. 5. Surrounds each individual muscle fiber
  4. 6. Build up of this in the muscle results in muscle fatigue
  5. 10. Muscle that produces movement in single direction
  6. 11. The muscle on the front upper arm
  7. 13. Muscles that are not used
  8. 17. Outermost layer of muscle that surrounds muscle
  9. 19. Thick protein filaments in muscle that slides past actin