Respiratory System

2. Breathing out; exhalation.
5. A small outpouching at the end of an alveolar duct that has alveoli branching off of it.
6. Small branches of bronchi in the lung.
9. The space posterior to the nasal cavity, the oral cavity, and the larynx.
11. Breathing in; inhalation.
12. Flaplike structure of elastic cartilage and mucous membrane at the back of the tongue that covers the opening to the trachea during swallowing.
13. Tubular organ that leads from the larynx to the bronchi.
14. The organ system that obtains oxygen for the body cells and removes carbon dioxide.The nasal cavity, pharynx, larynx, trachea, bronchi, and lungs are parts of this system.

1. The bronchi and their branches that carry air between the trachea and the alveoli of the lungs.
3. Fine tube that conducts air to and from an alveolar sac of the lungs.
4. Structure inferior to the laryngopharynx and superior to the trachea that houses the vocal cords.
7. The entire process of exchanging gases between the atmosphere and the body cells, including the utilization of oxygen and the production of carbon dioxide in the process of cellular respiration.
8. Deficiency of oxygen reaching the body’s tissues.
10. Space posterior to the nose.