Muscles and The Human Body

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Across
  1. 5. The lower part of the back of your leg
  2. 7. The increase in the volume of an organ or tissue
  3. 8. Exercise intense enough to trigger lactic acid
  4. 9. Changing of position
  5. 11. Dorsi/ Part of the back
  6. 13. A muscle running down the neck
Down
  1. 1. Somebody who is strong and toned
  2. 2. When a muscle fibre lengthen or shrinks
  3. 3. A protein found in the body
  4. 4. Improving or changing
  5. 6. Muscle force with movement
  6. 7. The back of the top of your leg
  7. 10. The top of your leg
  8. 12. Referred to as bones
  9. 14. Muscle force without movement