Across
- 3. organ that filters blood
- 5. system organs that break food down into nutrients
- 7. brings in O2 removes CO2
- 10. uses O2 to break apart glucose
- 13. space in the chest
- 15. muscles push food through the digestive system
- 16. exit tube
- 17. regulates liquid in the blood
Down
- 1. tiny air sacs in the lungs
- 2. small part of the kidney that filters blood
- 4. substance that provides nourishment for body function
- 6. stores bile
- 8. digestion food changing into a new substances
- 9. cleans toxins from the blood, makes bile
- 11. liquid waste
- 12. tubes that connect the bladder and kidneys
- 14. food broken into smaller places