Across
- 4. system that regulates liquid on the blood
- 7. space in chest
- 9. the change of food into new substances
- 10. uses o2, to break apart glucose
- 14. liquid waste
- 16. stores the bile
- 17. tubes that connect the bladder and kidneys
Down
- 1. system that brings in 02, removes co2
- 2. exit tube
- 3. organ that filters blood
- 5. food broken into smaller peices
- 6. tiny air sacs in lungs
- 8. cleans toxins from the blood, makes bile
- 11. muscles push food the digestive system
- 12. system organs that break food into nutrients
- 13. what the body needs but doesn't make
- 15. small part of kidney that filters blood