With a mean diameter of around 2700 km and a mass of 214080 Â± 520 x 1017 kg, Triton is the largest of Neptuneâs moons, and the only one large enough to achieve hydrostatic equilibrium (i.e. is spherical in shape).
Some conditions causing restrictive lung disease are: 1  Interstitial lung disease, such as idiopathic pulmonary fibrosis. 2  Sarcoidosis, an autoimmune disease. 3  Obesity, including obesity hypoventilation syndrome. 4  Scoliosis. 5  Neuromuscular disease, such as muscular dystrophy or amyotrophic lateral sclerosis (ALS).
Restrictive Lung Diseases. People with a restrictive lung disease have a much more difficult time filling their lungs with air. This is a result of the lungs being restricted from fully expanding. Most of the time, restrictive lung diseases occur when there is stiffness in the lungs themselves. Sometimes, this can occur when there is stiffness in the chest wall, weak muscles or damaged nerves that can restrict the expansion of the lungs. These are some of the conditions classified as restrictive lung disease: