Muscular system

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Across
  1. 3. the muscles in the stomach that hold us upright
  2. 6. the muscle in the leg that allows us to stand on our heels
  3. 8. the muscle in the chest that moves the arm away from the body
  4. 10. the muscle that moves our entire leg forward
  5. 12. the muscle in the back that holds us upright
Down
  1. 1. the muscle that allows us to straighten our leg
  2. 2. the muscle that allows you to stand on your toes
  3. 4. the muscle that allows us to shrug our shoulders
  4. 5. the muscle that straightens the arm
  5. 7. the muscle that bends the arm
  6. 9. the muscle that bends the leg
  7. 11. the shoulder muscle that moves the arms in a circle