Across
- 2. windpipe
- 4. small very small
- 8. It is what makes you urinate
- 10. Two big large tubes
- 13. Brings blood to the heart
- 14. Like your lungs heart and kidney
- 15. What filters the blood
Down
- 1. Has the lungs in it
- 3. Like a heart
- 5. Oxygenates blood
- 6. Brings blood away from the heart
- 7. It beats like a drum
- 9. What makes the blood flow to your heart
- 11. Building blocks
- 12. A bunch of cells