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.
Doctors often use these additional therapies for people with moderate or severe COPD: 1  Oxygen therapy. If there isn't enough oxygen in your blood, you may need supplemental oxygen. 2  Pulmonary rehabilitation program. These programs generally combine education, exercise training, nutrition advice and counseling.