Across
- 4. Absorb nutrients from food
- 7. Exchange oxygen and carbon dioxide
- 9. Tube that carries urine out of the body
- 10. Tubes that carry urine from kidneys to bladder
- 12. Waste gas we breathe out
- 14. Clean and filter blood to make urine
- 15. Takes in air to breathe
Down
- 1. Bring oxygen-poor blood back to the heart
- 2. Carry oxygen-rich blood away from the heart
- 3. Pumps blood to the body
- 5. Stores urine until it is ready to leave the body
- 6. Starts digestion by chewing food
- 8. Breaks down food with acid
- 11. Tube that carries air to lungs
- 13. Gas needed for breathing and energy