Across
- 2. tiny air sacs in lungs
- 4. liquid waste
- 5. organ that filters blood
- 8. muscles push food throught the digestive systerm
- 9. what the body needs but dosent make
- 11. tubes that connect to the bladder and kidneys
- 12. space in chest
- 13. system regulates liquid in blood
Down
- 1. food broken into
- 3. uses 02 to break apart glucose
- 6. small part of kidney that filters blood
- 7. system organs that brakes food down into nutrients
- 10. system brings 02 removes c02
- 11. exit tube