Respiratory System

2. a sheet of muscle that spreads across the bottom of the rib cage
3. to enable airflow to and from the lungs
7. tiny sacs where the exchange of gasses between the lungs and the blood occurs
8. It allows air to pass through it while preventing food and drink from blocking the airway
9. the movement of oxygen into the body and carbon dioxide out of the body
11. taking air into the body
12. serves as the primary entry point for air

1. the main airways into the lungs
4. the processing of getting oxygen into the body and releasing carbon dioxide
5. connects the nasal cavity and mouth to the trachea. It serves as a common pathway for both air and food.
6. pushing air out of the body through the nose or mouth
10. take in oxygen from the air and send it to your body, and they also get rid of carbon dioxide