Across
- 4. connect to the bronchi
- 5. diffuses oxygen into the blood
- 6. uses chemicals to break down proteins in food
- 8. chews up food for digestion
- 11. portion of the digestive system most responsible for absorption of water from the indigestible residue of food
- 13. takes blood away from the heart
Down
- 1. removes extra fluids and waste from your body
- 2. is the longest part of the digestive system
- 3. are the airways that lead from the trachea into the lungs
- 7. pumps blood
- 9. breaths in air for your body
- 10. filters out toxics in your body
- 12. the main primary muscle in respiration