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