Across
- 4. Muscle that pushes food through the entire digestive system
- 7. Space in chest
- 8. Small part of kidney that filters blood
- 11. Exit tube
- 13. Uses oxygen to break apart glucose
- 16. Digestion where food is broken into smaller pieces; from teeth
- 17. Liquid waste
Down
- 1. Tiny air sacs in lungs
- 2. Stores the bile
- 3. Tubes that connect the bladder to the kidneys
- 5. Organ that filters blood
- 6. System that breaks food down into nutrients
- 9. Cleans toxins from the blood and makes bile
- 10. What the body needs but doesn't make
- 12. System that regulates liquid in the blood
- 14. Body system that brings in oxygen and removes carbon dioxide
- 15. Digestion where food is dissolved into a new substance; Saliva