Respiratory Systems

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

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