Across
- 3. small part of kidney that filters blood
- 7. exit tube
- 9. tubes that connect the bladder and kidneys
- 11. digestion the change of food into new substance
- 13. stores the bile
- 14. muscles push food through the digestive system
- 15. tiny air sacks in lungs
- 16. cleans toxins from the blood, makes bile
- 17. organ that filters blood
Down
- 1. space in chest
- 2. substance that provides nourishment for body functions
- 4. digestion food broken into smaller pieces
- 5. system brings in oxygen, removes carbon dioxide
- 6. liquid waste
- 8. system organs that break food down into nutrients
- 10. respiration oxygen to break apart glucose
- 12. system regulates liquid in the blood