根据上下文填入适当的内容完成译文 The high"energy density"of junk food-the amount of calor

根据上下文填入适当的内容完成译文

The high"energy density"of junk food-the amount of calories it contains in relation to its weight-throws the brain's appetite control system into confusion.as this is based on the size of a portion rather than its energy content.

______含有很高的“能量密度”，即食物重量和______的比例。垃圾食品往往使大脑的______陷入混乱，因为控制系统判断的标准是食物分量的大小______热量的高低。