Across
- 9. the passage for air to go in and out of your mouth and nose
- 10. The thing that helps food reach the stomach
- 11. the large tube that connects the windpipe to the left and right lung
- 13. The thing that produces your voice and helps you swallow
- 14. expands while inhaling and shrinks while exhaling
- 15. One of the two ways you breath in and out
Down
- 1. The thing that carries oxygen rich blood to the heart
- 2. brings air to small sacs in the lungs called alveoli
- 3. The organ that makes white blood cells
- 4. blood vessels that go all over the body
- 5. the organ that helps you inhale and exhale
- 6. The thing that holds oxygen and releases carbon dioxide
- 7. The air filled holes in your head
- 8. the thing that distributes air to the respiratory bronchioles
- 12. one of the ways you can breath in and out