Fit an Healthy

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Across
  1. 1. it clogs up the lungs and stops the cilia working.
  2. 4. the sugar produced by the digestive system that cells use to respire.
  3. 5. bones and muscles are attached by this.
  4. 8. the name of the drugs that slow down the nervous system.
  5. 9. the action of breathing in.
  6. 13. the name of the drugs that speed up the nervous system.
  7. 14. eating too much can cause this.
Down
  1. 1. pulls the lower arm down.
  2. 2. skipping this meal increases the possibility of becoming obese by 4.5 times.
  3. 3. the muscle that when you exhale it relaxes and moves upwards.
  4. 6. the action of breathing out.
  5. 7. the system that supplies the oxygen and removes the carbon dioxide from your body.
  6. 10. a common legal depressant.
  7. 11. chemicals that affect how your body functions.
  8. 12. an addictive substance that makes arteries narrower, causes heart disease.
  9. 15. the muscle that pulls the lower arm up.