Depending on the area seen in an individual picture, brown, yellow and green continents can be seen or parts of Earth can be covered by white clouds. Earth is by far the most dynamic planet when seen from space.
Oxygen therapy is a medical treatment. It must be prescribed by a doctor. For people with COPD, oxygen therapy can be a helpful part of their treatment plan. The prescription your doctor writes will include: If you need oxygen for rest, exercise and/or sleep, and how much in liters per minute (lpm) for each activity.
Oxygen therapy is a type of treatment used by some patients with chronic obstructive pulmonary disease (COPD). COPD causes lung damage that can keep the lungs from being able to absorb enough oxygen. If the body does not have enough oxygen, it cannot function as well as it should.