Across
- 8. Tiny air sacs in the lungs
- 9. food broken down to smaller pieces
- 10. space in the chest
- 11. Tubes that connects the bladder and kidney together
- 15. muscles push down food to the digestive system
- 16. organs that filters blood
- 17. Exit tube
Down
- 1. System that breaks down food into nutrients
- 2. system that brings o2 removes co2
- 3. Substances that provides nourishment for body functions
- 4. cleans toxins from blood to bile
- 5. liquid waste
- 6. stores the bile
- 7. uses o2 to break apart glucose
- 12. system that regulates in the blood
- 13. small part of kidney that filters blood
- 14. The change of food into a new substance