Across
- 1. finger shaped organ
- 4. lower chamber of the heart
- 6. long muscular tube that connects our mouth to our stomach
- 9. where digestin begins
- 12. absorbs nutrients
- 13. upper chamber of the heart
- 14. small tissue form the lung
- 15. allows air to go to lungs
Down
- 2. absorbs extra water
- 3. forms scabs
- 5. blood cell carries oxygen around body
- 7. helps form scabs
- 8. does mechanical and chemical
- 10. main part of the respiratory system
- 11. tiny tubes that branch into lungs.