Respiratory System

4. The part of the alimentary canal that connects the throat to the stomach.
6. A pair of spongy, air-filled organs located on either side of the chest.
7. Two external openings of the nasal cavity that admit air to the lungs and smells to the nose.
8. the body space between the chest and pelvis.
11. What you breathe out of you lungs.

1. Located below the lungs, is the major muscle of respiration.
2. Lung inflammation caused by bacterial or viral infection, in which the air sacs fill with pus and may become solid.
3. The action of breathing.
5. A respiratory condition marked by spasms in the bronchi of the lungs, causing difficulty in breathing.
9. One of the 12 paired arches of bone that form the skeletal structure of the chest wall.
10. What you breathe into your lungs.