body basics n etc w

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Across
  1. 1. job is to put a patch/clot on injuries
  2. 4. main airways into lungs
  3. 7. 1 of areas of body to find a pulse
  4. 8. one of the main groups of skeletal structure
  5. 11. 40% are ______
  6. 12. what impacts our heart, lungs, and muscles?
  7. 13. hydration increases
  8. 15. fight infection
Down
  1. 2. exchange of oxygen
  2. 3. formula of calculating max heart rate
  3. 5. the zone for normal exercising
  4. 6. this is attached to bones and causes movement
  5. 9. type of bone that hands and feet are
  6. 10. job of red blood cell is to deliever what?
  7. 14. type of bone that legs and arms are
  8. 16. teens need this many hours of sleep