Ambulatory tanks are small aluminum cylinders or liquid oxygen containers that you use with an OCD. They weigh less than 10 pounds. As the name suggests, they’re designed so you can carry them ...

Liquid oxygen is 100% oxygen in liquid form that you carry in a tank. Oxygen becomes liquid at -297 degrees F. It's compressed to fit into your tank, and when you release it, it turns back into gas.

Be cautious with oxygen tanks around open flames and heaters, and be sure to store oxygen tanks safely. Safety tips. Do not smoke or have open flames in the room where a person is using oxygen.

A toddler who had trouble getting around with her oxygen tank is now getting help from a kind group of sixth graders. Emmett Hightshoe was diagnosed with Kabuki in utero.