Describe the Structure and Function of the Lungs and Pleura
The visceral pleura covers the surface of the lungs. One associated with each lung. Science Source Lungs And Pleura Nursing School Survival Lunges Serous Membrane Each lung is enclosed within a cavity that is surrounded by the pleura. . The right lung has three lobes superior middle and inferior where the left lung only has two superior and inferior. The function of the pleura is to allow optimal expansion and contraction of the lungs during breathing. The outer or parietal pleura lines the inside of the rib cage and the diaphragm while the inner visceral or pulmonary layer covers the lungs. The structure of the pleura is essential to respiration providing the lungs with the lubrication and cushioning needed to inhale and exhale. Pleurae - 3 layers. The left lung has a cardiac notch where the heart apex makes an indentation therefore l lung smaller than r. This arrangement is very similar to that of the pe...