The national self-interest dictated to Jawaharlal Nehru a policy of non-alignment, which in essence meant keeping an independence of policy, not aligning with power blocs or making pre-commitments, keeping our options open, not taking decisions on pre-conceived notions, and judging each issue on its merits.
The peritoneum is a continuous transparent membrane which lines the abdominal cavity and covers the abdominal organs (or viscera). It acts to support the viscera, and provides a pathway for blood vessels and lymph.
The pleural membrane is thin, moist, slippery and has two layers. The outer, or parietal, pleura lines the inside of the rib cage and the diaphragm while the inner, visceral or pulmonary, layer covers the lungs. Between the two layers is the intrapleural space, which normally contains fluid secreted by the membranes.his article, the third in a four-part series on the respiratory system, looks at the lungs, pleura and respiratory defence mechanisms. The lungs. The lungs are cone-shaped organs that sit in the chest cavity, protected by the ribs.