Across
- 4. muscles push food through the digestive system
- 7. space in chest
- 8. small part of the kidney that filters blood
- 11. exit tube
- 13. uses o2 to break apart glucose
- 16. type of digestion that breaks food into smaller pieces
- 17. liquid waste
Down
- 1. tiny air sacs in lungs
- 2. stores bile
- 3. tubes that connect the bladder and kidneys
- 5. organ that filters blood
- 6. system of organs that break food down into nutrients
- 9. cleans toxins from blood, also makes bile
- 10. what the body needs but doesn't make
- 12. system that regulates liquid in the blood
- 14. System that brings in O2, removes Co2
- 15. type of digestion that changes food into new substances