Across
- 2. tube connects mouth to stomach
- 5. cover surface of small intestine
- 7. lower chamber of the heart
- 8. lung tissue
- 10. upper chamber of the heart
- 11. airway in the lungs that connects bronchi
- 12. nutrients absorbed
- 14. windpipe allows air to pass the lungs
- 15. vessel carries blood away from heart
Down
- 1. connects arteries and veins
- 3. cell that fights diseases
- 4. filters waste from blood
- 6. controls water balance
- 9. water absorbed
- 13. filter that blood goes through