Across
- 2. Where do lungs change pressure
- 3. Intercostal muscles ___ during breathing in
- 6. What is taken in by the blood in the air?
- 7. How many alveoli are there?
- 9. Transporting more oxygen and carbon dioxide faster
- 11. Where is oxygen transported via blood?
- 12. Diaphragm becomes___ when relaxing
Down
- 1. Diaphragm ___ when we inhale?
- 2. Air pressure decreases when___
- 4. What is responsible for taking in oxygen and expelling Carbon Dioxide?
- 5. What is covered in capillaries?
- 6. How are alevoli adapted to reduce diffusion distance?
- 8. What does gaseous exchange occur via?
- 10. Air pressure___ when exhaling