Across
- 4. Another name this structure is the voice box.
- 5. This is caused by a spasm of the diaphragm & spasmodic closure of the glottis.
- 8. Diseases such as COPD affect lung ________.
- 10. The diaphragm separates the thoracic cavity from this.
- 12. The physical & chemical processes by which the body supplies its cells with oxygen.
Down
- 1. The respiratory center can be affected by drugs such as depressants, barbiturates, and this.
- 2. The function of this is to entrap inhaled dust particles.
- 3. These are fairly large cone-shaped organs filling up the two lateral chambers of the thoracic cavity.
- 6. Food, when oxidized, gives off waste products such as carbon dioxide and this. (two words)
- 7. This is the space between the vocal cords.
- 9. This is believed to be caused by the need to increase oxygen within the blood.
- 11. In humans, air enters the respiratory system through two oval openings in this.