respiratory system
Across
- 2. in charge of deflating and inflating your lungs
- 3. organ that collects air
- 5. a pipe that sends oxygen to the lungs
- 7. air that without it you will not live
- 8. we use it for smelling
Down
- 1. small air tubes
- 4. at the end of the trachea splits air both lungs
- 6. sacks that exchange oxygen