Across
- 2. absorbs nutrients
- 3. has four chambers main organ in circulatory system
- 5. intestine where nutrients are absorbed
- 9. processes and breaks down blood
- 10. liquid part of blood
- 12. carries blood away from the heart
- 14. top chamber of heart
Down
- 1. tiny air sacs where the lungs exchange oxygen and carbon dioxide
- 4. tube where oxygen travels through
- 6. filters blood
- 7. where urine is held
- 8. carries blood to heart
- 11. muscular sac that breaks down food
- 13. main organ in the respiratory system