what is the cough?

                                                                                                                                                                                                                                                                                                                                                                          

                                                        Coughing is a reflex action that helps clear the airways of irritants,   mucus, or foreign particles. It involves a sudden expulsion of air from the lungs, often accompanied by a characteristic sound. Coughing can be triggered by various factors, including infections (like the common cold or flu), allergies, asthma, or irritants such as smoke and dust. While occasional coughing is usually harmless, a persistent cough may indicate an underlying health issue that requires medical attention. Coughs can be classified as dry or productive, with productive coughs bringing up mucus or phlegm, which can provide clues to the underlying cause.

                                                           https://medicalbuck.com/

.