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All cells need an energy supply to carry out their functions. The food and oxygen are transported to the cells in humans by the blood in the circulatory system. The proper functioning of the circulating system is responsible for the delivery of oxygen and nutrient to all cells in the body as well as removal of carbon dioxide and other gaseous waste products from biological system, which keeps you in respiratory alkalosis (increase pH of the body) and make you feel toned up. It requires keeping muscles toned so they can apply pressure and thus motion to the blood vessels that carry the supplies to, and the waste away from, the cells. President William Howard Taft (1909-1913) employed a physical trainer to keep him fit. Following the close of the Taft administration, he managed to secure a list of all or nearly all of the centenarians in the United States. He personally visited everyone. He asked to what they attributed their long life. One never used tobacco, and gave that as the reason. But another used tobacco all his life and still lived past a hundred years. One tea totalled but another drank beer and brandy all his life. And so it went. When he had interviewed them all, he analysed his notes and was surprised to learn that only one thing was common to them all. Yet not one gave it credit for his long life. Everyone has taken a vigorous daily rub down; some with a bath towel, following a daily bath; some with a brush. But in one way or another, each had stimulated blood circulation even to the extremities of toes and fingers by daily rubbing or massaging.
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