Answer:
The items are matched below -
Explanation:
1. Vocal cords - mucous folds in voice box
2. Sinus - smaller cavity above or near nasal cavity
3. Alveoli - air sacs
4. Bronchus - branch of the windpipe
5. Mucus - thick, sticky substance
6. Trachea - windpipe
7. Thorax - chest area
8. Septum - cartilage dividing nose in two parts
All of the above are parts of human respiratory system.