muscle system and skeletal muscle

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Across
  1. 1. -help anchor muscles to bones
  2. 5. -enable the body and its parts to move
  3. 6. -insertion bone moves toward origin bone
  4. 8. -not under conscious control
  5. 9. -most of heart
  6. 12. -nonstriated or visceral
  7. 13. -striated and 40 - 50% of body weight
Down
  1. 2. -attached to the bone
  2. 3. -when muscle fibers are stimulated repeatedly without rest
  3. 4. -not under conscious control
  4. 7. -main part of the body
  5. 10. -muscles that relax during movement
  6. 11. -point of attachment to the bone that will move when muscle contracts