Value, in terms of art, is the darkness or lightness of a color. Value is one of the seven elements of art and in many circles, it is considered to be the most important. Its importance in creating the illusion of light, form, and texture in a drawing or painting cannot be denied.
However, oxygen levels can vary greatly and have a large impact on how a person is able to function. As a consequence, medical professionals have developed standards for the amount of oxygen that should be present within a personâs body. For most people, an oxygen level of 95 percent to 100 percent is considered normal.
Blood oxygen level is an important medical tool used to determine how effectively you are taking oxygen into your body. If you're in good health, normal blood oxygen levels almost always fall within a very predictable range.Medical professionals use two primary measurements for determining your blood oxygen level: oxygen saturation and arterial oxygen. The normal values differ for these measurements.lood oxygen level is an important medical tool used to determine how effectively you are taking oxygen into your body. If you're in good health, normal blood oxygen levels almost always fall within a very predictable range.