The fluid in reduces friction between the pleural membrances as the lungs and chest wall move during breathing.

Sagot :

Answer:

Pleural Fluid is a liquid that is located between the layers of the pleura. The Pleura is a two layer membrane that covers the lungs and lines the chest cavity. The area that contains the Pleural Fluid is known as the Pleural space. Normally , there is a small amount of Pleural Fluid in the Pleural Space.