Across
- 3. the most important organ in the respiratory system
- 5. the heart is the main part of this system
- 6. the boy tells the brain coordinate reflexes
- 7. what body system pumps blood
- 8. clears the blood of toxin
- 10. removes waste products from the blood
Down
- 1. carries blood away from the so it can carry oxgen
- 2. what body system includes hair skin and nails
- 4. tells your heart to pump blood
- 9. carries blood to your heart