Q. Lungs are enclosed in
β
Correct Answer: (C)
pleural membrane
Explanation:
The lungs are enclosed in a pleural membrane, which consists of two layers:
- The visceral pleura, which is attached to the surface of the lungs.
- The parietal pleura, which lines the chest cavity.
The space between these two layers, known as the pleural cavity, contains a small amount of fluid that allows the lungs to expand and contract smoothly during breathing.
Why other options are incorrect:
- (A) Pericardium β This is the membrane that surrounds the heart, not the lungs.
- (B) Peritoneum β This is the membrane that lines the abdominal cavity and covers the organs within it.
- (D) None of these β Incorrect, because the pleural membrane is the correct answer.
Explanation by: Mr. Dubey
The lungs are enclosed in a pleural membrane, which consists of two layers:
- The visceral pleura, which is attached to the surface of the lungs.
- The parietal pleura, which lines the chest cavity.
The space between these two layers, known as the pleural cavity, contains a small amount of fluid that allows the lungs to expand and contract smoothly during breathing.
Why other options are incorrect:
- (A) Pericardium β This is the membrane that surrounds the heart, not the lungs.
- (B) Peritoneum β This is the membrane that lines the abdominal cavity and covers the organs within it.
- (D) None of these β Incorrect, because the pleural membrane is the correct answer.