Why does our body need energy? What are its sources?
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They provide energy in the form of calories that the body needs to be able to work, and to support other functions. Carbohydrates are needed in large amounts by the body. Indeed, up to 65% of our energy comes from carbohydrates. They are the body's main source of fuel because they are easily converted into energy.
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Our body needs energy to perform various functions.Our body needs energy to do any work.All parts of the body (muscles, brain, heart, and liver) need energy to work. This energy comes from the food we eat.Once in the bloodstream, glucose can be used immediately for energy or stored in our bodies, to be used later.
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