What is Cough?

 Cough means that there is phlegm in your trachea or lungs, some foreign particles have gathered in your breathing tube and you are having trouble taking your breath and to cure it by nature, loud air is sent to the outside which is also called air reflex so that if the balgam goes out of the trachea and lungs, the same is called cough.

Video Tutorial

This video tutorial will explain above detail in very simple words.

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