Across
- 3. breaks down food into smaller particles
- 6. brings blood back to the heart
- 7. absorbs water
- 8. moves around oxygen, waste, and nutrients
- 11. a flat muscle under the lung that helps you breath
- 13. breaths in oxygen and breaths out carbon dioxide
- 16. (windpipe) long tube that connects to the lungs
Down
- 1. gets rid of waste and monitors the water level
- 2. filters the blood
- 4. absorbs nutrients
- 5. a long tube that connects the mouth and stomach
- 9. exchanges oxygen and carbon dioxide with the blood
- 10. holds urine
- 12. a muscular organ that pumps blood around
- 14. a muscular organ that breaks down food
- 15. takes blood away from the heart