Adenosine triphosphate (ATP) is the biochemical way to store and use energy. F or your muscles -- in fact, for every cell in your body -- the source of energy that keeps everything going is called ATP.
An approximate blood oxygen level can also be estimated using a pulse oximeter â a small device that clips on your finger. Though the pulse oximeter actually measures the saturation of oxygen in your blood, the results are often used as an estimate of blood oxygen levels.Normal pulse oximeter readings range from 95 to 100 percent, under most circumstances. Values under 90 percent are considered low.1  Causes.n approximate blood oxygen level can also be estimated using a pulse oximeter â a small device that clips on your finger. Though the pulse oximeter actually measures the saturation of oxygen in your blood, the results are often used as an estimate of blood oxygen levels.
Normal Pulse Rates for Women. A pulse is the measurement of how many times your heart beats per minute. The normal pulse for a healthy adult is between 60 and 100 beats per minute. A number of factors determine where your pulse should range.First, women over 13 generally have a higher pulse than do men. pulse is the measurement of how many times your heart beats per minute. The normal pulse for a healthy adult is between 60 and 100 beats per minute. A number of factors determine where your pulse should range.