Question

Choose the correct answer from the alternatives given.
The lung is enclosed in a double layered membrane called

• A. pericardium
• B. pleura
• C. periosteum
• D. perichondrium

Answer 1

The correct option is B pleura

The pleura refers to the double-layered membrane that covers the lungs. The space between the two membranes is called the pleural cavity. It is filled with a thin, lubricating liquid called pleural fluid, which acts as a lubricant and allows the pleurae to slide effortlessly against each other by reducing friction during respiratory movements. So, the correct option is 'pleura'.