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The Respiratory System (Lower Resp Tract (Broncnioles, Lungs, Brochi,…
The Respiratory System
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Two Main Function
1. Distribution of Air : filters, warms, humidifies air
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Nose
- support by bone and cartilage, provides an entrance for air in which air filtered by coarse hair inside the Nostril
- Air enters nose through external nears
- Nasal cavity divide by nasal septum
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Physiology Breathing : movement of air from outside the body into, and then out the lungs
Inspiration:
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External Intercostals : contraction moves ribs and sternum upward and out ward, increasing the size of thoracic cavity
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Respiratory Disorder
Seaonal Flu- A viralinfection there are many varations of this viriations of this virus and it cahnges rapidly
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