Pailin5

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Across
  1. 2. small part of kidney that filters blood
  2. 3. space in chest
  3. 6. exit tube
  4. 8. organ that filters blood
  5. 11. system were organs break food down into nutrients
  6. 13. muscles push food through the digestive system
  7. 14. what the body needs but doesn't make
  8. 17. food broken into smaller pieces
Down
  1. 1. tiny air sacs in lungs
  2. 4. uses o2 to break apart glucose
  3. 5. the change of food into new substances
  4. 7. tubes that connect the bladder to kidneys
  5. 9. system that regulates liquid in the blood
  6. 10. cleans toxins from the blood makes bile
  7. 12. liquid waste
  8. 15. stores the bile
  9. 16. system that brings in o2 removes co2