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Across
  1. 1. small part of the kidney that filters food
  2. 4. organ that filters blood
  3. 7. tubes that connect the bladder to kidneys
  4. 9. exit tube
  5. 11. space in chest
  6. 12. tiny air sacks in lungs
  7. 14. regulates liquid in blood
Down
  1. 2. the change of food into substances
  2. 3. organs that break down nutrients
  3. 5. uses o2 to break apart glucose
  4. 6. cleans toxins from the blood makes bile
  5. 8. bring in o2 removes co2
  6. 10. what is the body needs but doesn't makes
  7. 13. liquid waste