THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -A pleura is a serous membrane that folds back on itself to form a two-layered membranous pleural sac. The outer layer is called the parietal pleura and attaches to the chest wall. The inner layer is called the visceral pleura and covers the lungs, blood vessels, nerves, and bronchi.

Detailed explanation-2: -Pleural cavity is a fluid-filled space that contains each of the lungs. It contains pleural fluid that functions for lubrication of the lungs during inspiration and expiration. Pleural cavity is situated in the thoracic cavity, a large cavity that contains the heart, thymus gland, and part of the trachea and esophagus.