The noun explanation of cough is: an action caused by the stimulation of secretions or foreign bodies in the respiratory tract of the human body, a reflex action produced by the body to remove secretions or foreign bodies in the respiratory tract. Cough is one of the most common symptoms of respiratory diseases and is a manifestation of the vibration of the vocal cords caused by inflammatory stimulation of the mucous membranes of the trachea bronchus, pleura, and pharynx. Cough causes contraction of respiratory muscles, increased intra-pulmonary pressure, and ejection of air from the lungs, which is a protective measure of the human body, with the protective effect of removing foreign bodies and secretions from the respiratory tract. There are many reasons for coughing, you should go to the hospital in time, under the guidance of specialists for examination and symptomatic treatment. So as not to affect the health of the body.