what does the body need energy for
Answer by Anj1981. Confidence votes 8. The body needs energy to maintain its temperature, and to enable the muscles to do work in moving itself and other tasks. Digestion is the way the body obtains energy from food.nswer by Anj1981. Confidence votes 8. The body needs energy to maintain its temperature, and to enable the muscles to do work in moving itself and other tasks. Digestion is the way the body obtains energy from food.