why is it necessary that blood circulation of blood in human being
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Blood circulation is one of the most important functions in the body. It supplies oxygen to the brain and other organs. It’s what makes our bodies work. It can also promote healthier skin and helps cell growth. Poor blood circulation can be caused by smoking, lack of exercise, sitting in one place for too long, and blood clots can all contribute to poor circulation.
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During a single cycle blood goes twice in the heart which is known as doublecirculation. It is necessary in human being to separate oxygenated bloodand deoxgenated blood because this makes their circulatory system is more efficient and helps in maintaining constant body temperature.
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