Across
- 2. liquid waste
- 6. exit tube
- 7. muscles push food through the digestive system
- 9. tubes that connect the bladder and kidneys
- 12. space in chest
- 13. organs that break down food into nutrients
- 15. system brings in and removes C02
- 16. small part of kidney that filters blood
- 17. what the body needs but doesn't make
Down
- 1. uses 02 to break apart glucose
- 3. tiny air sacs in lungs
- 4. stores the bile
- 5. the change of food into smaller pieces
- 8. food broken into smaller pieces
- 10. organ that filters blood
- 11. cleans toxins from the blood make bile
- 14. system regulates liquid in the blood