Outdoor activities supply oxygen 2 hour
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DO YOGA AND PLAY THE OUTDOOR GAMES
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Those with severe airway obstruction on long-term oxygen therapy have low survival rates (roughly 70% to year one, 50% to year two, and 43% to year three).
Explanation:
In such applications as extra-vehicular activity, high-fraction oxygen is non-toxic, even at breathing mixture fractions approaching 100%, because the oxygen partial pressure is not allowed to chronically exceed 0.3 bar (4.4 psi).
A 2 liter per minute rate is quite common in adults, although when there is severe shortness of breath, the rate is increased to 3, 4 or 5 liters/minute in some cases. It is very important to follow the physician's orders about how much oxygen to given per minute
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