Question

(6)
Each lung has a double layered covering called as

(a) pleura
(b) pericardial membrane
(c) cell wall.
(d) cell membrane​

Answer 1

Answer:

(a) pleura...........

Answer 2

The answer is the option a) Pleura. It is also known as the pleural membrane.

Explanation:

• a) This is the correct answer. Each lung is enclosed by two membranes known as the pleura or pleural membrane. The outer layer id in close contact with thoracic cavity and the inner is close contact with lungs surface.
• b) The pericardial membrane is the covering of the heart.
• c) Cell wall is the outermost covering of cells in bacteria, fungi, algae, and plants.
• d) Cell membrane is the semi-permeable structure surrounding the cytoplasm of a cell.

Thus, pleura is the correct answer.