Crossword
Across
- 3. Is the main organ of the respiratory system
- 4. Is the main organ of circular system
- 6. The main organs are muscles
- 7. The main organ is the heart
- 10. The main organ are the ovaries
Down
- 1. The main organs are bones
- 2. The main organ is the intestine
- 5. The main organ are lungs
- 8. The main organ is the brain
- 9. The main organ are the cornells