Across
- 3. filter that blood goes through
- 4. lower chamber of the heart
- 6. bronchi to alveoli
- 7. tiny sacs of lung tissue
- 10. filters waste
- 12. liquid part in blood
- 13. large muscular sac in the digestive system
- 14. windpipe
- 15. Brings blood into the heart
Down
- 1. fight diseases
- 2. carries things in blood
- 5. absorbs extra water
- 8. connects the mouth to the stomach
- 9. flat muscle that helps with breathing
- 11. stores urine