Across
- 7. Tissue flap at the entrance to the trachea that closes when you swallow to keep food and liquids out of your airway
- 8. tube that delivers air from your mouth and nose to the trachea (windpipe
- 10. Passage connecting your throat and lungs
- 12. Hollow organ that allows you to talk and make sounds when air moves in and out
- 13. system organ that help you breath
- 14. breath out
Down
- 1. Muscle that helps your lungs pull in air and push it out
- 2. pull air from outside your body into your respiratory system
- 3. tiny hairs that move in a wave-like motion to filter dust and other irritants out of your airways.
- 4. tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place
- 5. A chronic (long-term) disorder, asthma causes inflammation in the airways that can make breathing difficult
- 6. Small branches of the bronchial tubes that lead to the alveoli
- 9. bones that surround and protect your lungs and heart
- 11. breath in