Respiratory Systems
Across
- 3. exchange of oxygen and carbon dioxide gases in the lungs
- 5. sends air to the lung
- 6. entry point of the
- 7. smallest branches of the bronchial tree
- 11. grape-like clusters at ends of bronchioles where exchange of gases occur
- 12. slimy secretion that helps to warm, moisten, and filter air
- 13. branches at the bottom of the trachea that are contained in the lungs
- 14. tiny flap that covers the larynx during swallowing
- 17. release of a breath
- 19. not breathing
- 20. abnormally slow breathing rate
- 21. "Voice Box"; contains vocal cords that vibrate when air passes through
Down
- 1. "windpipe" has rings of cartilage that keep its shape
- 2. drawing in a breath
- 4. filters the air intake
- 8. lining of respiratory tract that secretes mucus
- 9. abnormally fast breathing rate
- 10. parted organs containing bronchi that are divided into clearly defined lobes
- 15. difficulty breathing
- 16. tiny wave-like hairs that line the nostrils & help to filter air
- 18. passageway shared by the digestive system & respiratory system