Across
- 2. This is the muscle that is responsible for inflating and deflating lungs
- 4. The lungs and respiratory system allow oxygen in the air to be taken into the body
- 7. These are the small air tubes that connect the bronchus to the alveoli
- 8. It is the pipe that sends air to the lungs
- 10. serves as the entrance to the respiratory tract
- 11. The smallest vessels which contain oxygenated blood
Down
- 1. the process whereby gases move from an area of high pressure to low pressure.
- 3. It is the organ that collects air
- 5. the system in living organisms that takes up oxygen and discharges carbon dioxide in order to satisfy energy requirements
- 6. These are the air sacs that exchange oxygen and carbon dioxide in the blood
- 7. It is found at the end of the trachea and splits the air to each lung
- 9. the bony framework of the thoracic cavity