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Mechanics of Breathing II

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Presentation on theme: "Mechanics of Breathing II"— Presentation transcript:

1 Mechanics of Breathing II
07-Mechanics.ppt Lectures on respiratory physiology Mechanics of Breathing II revised 1/9/04

2 Patterns of gas flow in tubes
07-Mechanics.ppt Patterns of gas flow in tubes revised 1/9/04

3 Poiseuille equation for laminar flow
07-Mechanics.ppt Poiseuille equation for laminar flow revised 1/9/04

4 Patterns of gas flow in tubes
07-Mechanics.ppt Patterns of gas flow in tubes revised 1/9/04

5 07-Mechanics.ppt The Reynolds number revised 1/9/04

6 Pressures during the breathing cycle
07-Mechanics.ppt Pressures during the breathing cycle revised 1/9/04

7 Number of airways increases rapidly with generation
07-Mechanics.ppt Number of airways increases rapidly with generation revised 1/9/04

8 Most resistance is in the medium sized airways
07-Mechanics.ppt Most resistance is in the medium sized airways revised 1/9/04

9 Airway resistance falls with increasing lung volume
07-Mechanics.ppt Airway resistance falls with increasing lung volume revised 1/9/04

10 07-Mechanics.ppt Flow – volume curves revised 1/9/04

11 Isovolume pressure-flow curves
07-Mechanics.ppt Isovolume pressure-flow curves revised 1/9/04

12 Mechanism of dynamic compression
07-Mechanics.ppt Mechanism of dynamic compression revised 1/9/04

13 07-Mechanics.ppt Flow – volume curves revised 1/9/04

14 Flow through collapsible tubes
07-Mechanics.ppt Flow through collapsible tubes revised 1/9/04

15 Mechanism of dynamic compression
07-Mechanics.ppt Mechanism of dynamic compression revised 1/9/04

16 Work done on the lung during breathing
07-Mechanics.ppt Work done on the lung during breathing revised 1/9/04


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