Respiratory System
- Created by: Milliemerlin
- Created on: 28-11-14 18:08
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- Diaphragm contracts
- Lungs 'squashed'
- Lower pressure than outside
- Air in
- Higher pressure than outside
- Diaphragm relaxes
- Air out
- Diaphragm relaxes
- Higher pressure than outside
- Air in
- Lower pressure than outside
- Lungs 'squashed'
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