training and fitness

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Across
  1. 6. hormones you get by training
  2. 7. kind of exercise that is good for your backpain
  3. 9. bones that get stronger when training
  4. 10. something that makes you happy
Down
  1. 1. if you do this you get more flexible
  2. 2. you got about 640 of them
  3. 3. a arm muscle you can control
  4. 4. a muscle you use when you eat
  5. 5. training by running, biking or jumping
  6. 8. a muscle you can't control