Respiratory System

3. 21% of what you breathe in.
6. Your alveoli do this when you breathe in
9. What you have to do to live.
10. The system that helps you breathe.
11. Where the gasses go when you breathe in.
13. The area of the throat containing the vocal cords and used for breathing, swallowing, and talking. Also called voice box.

1. We use this to eat, talk, or chew.
2. Your alveoli do this when you breathe out.
4. The hollow tube that starts behind the nose, goes down the neck, and ends at the top of the trachea.
5. These fill up when you breathe in.
7. 78% of what you breathe in.
8. Large airways that lead to the lungs. (Also called a windpipe).
12. We use this to smell.