1. The lungs provide a ..... surface for gas exchange in the alveoli?
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2. Choose the advantage of positive pressure breathing:
- Patients don't have to be placed in an iron lung machine
- Easy to use
3. Whats is the modern version of the 'iron lung' machine called?
- The shell
- The case
- The pod
4. Lungs are found in the thorax and are protected by the ribcage?
5. When you breathe in, your intercostal muscles contract, pulling ribs upwards and outwards.