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