Across
- 2. other way of air entering body.
- 3. site of gas exchange.
- 4. includes the lungs and muscles necessary to breathe.
- 6. a waste of the respiratory system.
- 7. one way of air entering the body.
- 9. infection in the lungs.
Down
- 1. cure of pulmonary embolus.
- 4. disorder that is caused by blood clots entering the respiratory system.
- 5. machine that helps the respiratory system.
- 8. cure of pneumonia.