Across
- 3. system that regulates liquid in the blood
- 6. tubes that connect the bladder and kidneys
- 8. Liquid Waste
- 12. muscles push food through the digestive system
- 13. small part of kidney that filters blood
- 14. space in chest
- 16. the exit tube
- 17. the change of food into new substances
Down
- 1. food broken into smaller pieces
- 2. organ that filters blood
- 4. uses O2 to break apart glucose
- 5. cleans toxins from the blood make bile
- 7. system that brings in O2 and removes CO2
- 9. stores the bile
- 10. system that has organs that breaks food down into nutrients
- 11. what the body needs but doesn't make
- 15. tiny air sacks in lungs