The respiratory system
Across
- 3. The bony frame work of the thoracic cavity
- 6. Bronchioles are air passages inside the lungs that branch off like tree limbs from the bronchi
- 7. It is the pipe that sends air to the lungs
- 9. These are the air sacs that exchange oxygen and carbon dioxide in the blood
- 10. It is the organ that collects the air
- 11. the system in living organisms that takes up oxygen and discharges carbon dioxide in order to satisfy energy requirements
Down
- 1. It is found at the end of the trachea and splits the air to each lung
- 2. This is the muscle that is responsible for inflating and deflating lungs
- 4. Serves as the entrance to the respiratory tract
- 5. Diffusion is the process whereby gases move from an area of high pressure to low pressure
- 8. The lungs and respiratory system allow oxygen in the air to be taken into the body