Cough is a protective reaction of the body to irritation of the human respiratory tract. During cough, the body tries to get rid of mucus, or foreign particles trapped in the airways. Various bacteria and viruses can also cause coughing.
A healthy person in normal conditions does not have a cough. It occurs in response to irritation of the mucous membrane of the respiratory tract or pleura and is a complex reflex act. With the help of cough, our body is freed from particles of dust and various chemicals that have fallen into the bronchi. Continue reading