Body parts and fitness

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Across
  1. 1. these fill with oxygen
  2. 3. connects the lower arm to the upper arm
  3. 6. in-between your leg and foot
  4. 7. activity to keep you fit
  5. 8. a joint attaching the arm to the hand
  6. 12. to taste things
  7. 13. a repeated activity
  8. 14. something you do at night in bed
  9. 15. protection to the whole body
Down
  1. 2. in-between your neck and arms
  2. 4. humans have 206 of these
  3. 5. in the middle of your leg
  4. 8. a liquid
  5. 9. an active hobby
  6. 10. at the top of your body
  7. 11. make these bigger with exercise