Across
- 6. the change of food into new substances
- 7. space in chest
- 9. cleans toxins from the blood, makes bio
- 12. system regulates liquid in the blood
- 13. system uses 02 to break apart glucose
- 14. tiny air sacs in lungs
- 16. system that brings in 02, removes c02
Down
- 1. exit tube
- 2. food broken into smaller pieces
- 3. what the body needs, but cant make
- 4. small part of kidney that filters blood
- 5. organ that filters blood
- 8. muscles push food through the digestive system
- 10. stores the bio
- 11. system has organs that break food down to nutrients
- 12. tubes that connect the bladder and kidneys
- 15. liquid waste