Across
- 4. Paired major organs of respiration that contain bronchi and are divided into clearly defined lobes
- 6. windpipe; has distinct rings of cartilage
- 7. flap that covers the larynx during swallowing
- 9. drawing in of a breath
- 10. lining of respiratory tract that secretes mucus
- 11. no breathing
Down
- 1. abnormally fast respiratory rate/breathing
- 2. exchange of oxygen and carbon dioxide gases with cells
- 3. grape-like clusters at ends of bronchioles where exchange of oxygen and carbon dioxide occurs
- 5. tiny hairs inside nostrils that help filter air
- 8. “voice box” that contains vocal cords