1. On a diagram, what side would your right lung be?
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2. What happens when you breathe in?
- The diaphragm moves down and the ribs move up and out
- The diaphragm moves up and the ribs move in and down
3. Which has less carbon dioxide?
- Inspired air
- Expired air
4. What do alveoli have so that more gases can be exchanged?
- A good shape
- A good blood supply
- A good texture
- A good wall
5. Where does gas exchange take place?
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