Across
- 3. What removes waste energy from blood?
- 4. Helps circulatory system
- 5. Needed in the nervous system
- 7. Removes waste from blood
- 9. What is pumped with nutrients with help of the circulatory system?
- 10. The purifying system
- 11. What is a main structure in the circulatory system?
- 12. What can help the excretory system function efficiently?
- 13. dioxide Leaves the blood with help of respiratory system
Down
- 1. What system changes food into nutrients?
- 2. Used in digestive system
- 6. system What does sleeping well help?
- 8. The blood system
- 9. What is one of the main structures for the respiratory system?