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