That is called Hypoxemia. Hypoxemia<span>s a sign of a problem related to breathing or circulation, and may result in various symptoms, such as shortness of breath.</span>
Individuals need to adjust their physical activity to account for reduced flexibility, a loss of balance, as well as decreased energy levels as they age. As we see, there is a number of rather unwanted changes which happen with old age so the correct answer would be D - all of the above.
The media is what affecting teens
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