Term
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Definition
| Air moving in and out of the lungs. which allows for external respiration. |
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Term
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Definition
| Gas exchange taking place across the permeable cellular membrane |
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Term
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Definition
| Gas exchange between the alveoli and the capillaries (blood). |
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Term
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Definition
| Gas exchange between the capillaries and the tissue. |
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Term
| Laminar or Turbulent flow: |
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Definition
Determined by the reynolds number
Laminar flow less <2000 Little resistance
Turbulent flow more than > 4000 resistance
Both Laminar and turbulent flow needs to be between 2000 - 4000 |
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Term
| What is the pressure in the pleura |
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Definition
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Term
| Normal ventilation "inspiration" |
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Definition
Diaphragm flattens and contracts and chest expands negative intrapulmonary pressure and a negative transairway pressure and gas flows in through the mouth.
intrapleural = -9 cmH2O
Intrapulmonary = -3 cmH2O |
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