Respiratory System

5. This respiratory organ is covered with membrane and cartilage and is a tube of muscle and tissue.
9. This respiratory organ allows air through without vibrating nearby vocal cords.
11. This respiratory organ filters out air and carbon dioxide.
12. This can be infected by contained viruses.

1. These respiratory organs are roots inside the lungs that get smaller and smaller to get rid of alveoli.
2. The system that functions the organism to breathe.
3. This respiratory organ opens two passageways, one for air and one for food.
4. This respiratory organ is a box of cartilage that has “Vocal Cords” in it.
6. This respiratory organ takes in air.
7. The parts of the body that plays a vital role in functioning an organism.
8. This can weaken proper body functions and is caused by bacteria and/or viruses.
10. This is a long-term solution people seek and some relative problems.