👉 The term "mediastinal" refers to a region within the respiratory system that is responsible for the function of the lungs. It includes the airways, bronchi, and alveoli, which are all part of the respiratory system. The mediastinum is often referred to as the "lung's chest," and it plays a crucial role in regulating the flow of oxygen and carbon dioxide through the body, as well as in the regulation of temperature and pressure within the lungs. In summary