Across
- 5. The flap-like organ that stops food entering the windpipe.
- 8. The tube that allows air to pass through to the lungs.
Down
- 1. The passage that alows the flow of air into the lungs.
- 2. The boundary between the exchange of Carbon Dioxcide and Oxygen from the lungs.
- 3. Brings in Oxyen and takes out Carbon Dioxcide.
- 4. The organ that contorls the flow of air while breathing.
- 6. Helps the flow air towards the brochi.
- 7. They remove Carbon Dioxcide from the body and gives the body air.
- 9. Controls inhale and exhale.