Across
- 3. The action of taking air into the lungs and expelling it
- 4. Carries air from your windpipe to your lungs
- 6. Voice box
Down
- 1. Extends from the larynx to the bronchial tubes and conveying air to and from the lungs
- 2. system provides blood vessels to transport oxygen
- 3. A red liquid that is in your viens
- 5. system controls breathing rate