Cough is a crucial protective reflex that helps protect the lungs and airways. However, when cough becomes chronic and ...

The diaphragm is a dome-shaped muscle that separates the chest from the abdomen. This muscle, also called the thoracic diaphragm, is the main muscle used for breathing and is also involved in other ...

The pleura is a two-layered membrane that covers the lung. Between the layers is a small amount of lubricating fluid, known as pleural fluid, which helps cushion the lung and reduce friction between ...

Respiratory tract diseases are illnesses that affect components of the respiratory system, including the nasal passages, the bronchi and the lungs. They range from acute infections, such as ...