Rating Newest Oldest. Best Answer: Natural gas is piped to your home as a vapour while propane is stored as a liquid in portable containers. You are still burning vapour not liquid with a propane appliance. When you draw off the vapour and burn it, the liquid in the tank boils to create more vapour. It also expands 270 times as it changes from a liquid to a vapour, so that is why a small tank lasts so long!
It is made up of the central nervous system, containing the spinal cord the brain, and the peripheral nervous system, containing the nerves, the sensory organs as well as other elements. A nervous system disorder is a malfunction that causes abnormalities in the nerves, spinal cord, or brain.
This condition is fairly common, and symptoms usually go away after a couple of days. There are also less common and more serious causes of muscle twitching. These medical conditions and illnesses are often related to your nervous system. They may damage the nerves connected to your muscles, leading to twitching. Some of these conditions include: 1  muscular dystrophy.