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sugar provides energy for the body.
Exercise requires and uses up energy. The sugar/carbohydrates in your body/blood is converted to energy for this. This removes blood sugar from your system lowering blood sugar.
glucose
Your body maintains a certain level of sugar in your blood. Sugar is used as energy by your body.
glucose
Carbohydrates like sugar, bread, and fiber. Fat also provides energy but I would not consider it to be basic.
Major is the carbohydrates.Lipids is also a good sourse
Low blood sugar, or hypoglyceemia, can be an on-going problem. It occurs when the level of sugar in your blood drops too low to give your body energy.
Glucose
The mitochondria uses oxidative phosphorylation to synthesize ATP from the sugar glucose.
Nerves need sugar for energy, and to function properly.
Sugar is energy ( to be simple ) . Our body needs energy to do any work . The energy is stored in the form of carbohydrates . So naturally there is a certain level of sugar otherwise called glucose present on the blood. When excess glucose is present the condition is called diabetes !