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| Module 4: Lung Defences Against The Environment - The Cough Reflex |
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| Module 4: Lung Defences Against The Environment - The Cough Reflex |
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Cough is a complex reflex, with inputs from receptors widely scattered through what were embryonal foregut structures.
The objective of a cough is the forcible expulsion of air at high flow. This creates shear forces in the mucous layer leading to separation and expulsion of the gel layer.
Postgraduate Diploma in Occupational Health (DOH) - Modules 3 – 5: Occupational Medicine & Toxicology by Prof Rodney Ehrlich & Prof Mohamed Jeebhay is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
Permissions beyond the scope of this license may be available at http://www.healthedu.uct.ac.za/