Ms. Singh offers some possible explanations.
辛格女士提供了一些可能的解释。
AMIKA SINGH: "There are, first, physiological explanations, like more blood flow, and so more oxygen to the brain. Being physically active means there are more hormones produced like endorphins. And endorphins make your stress level lower and your mood improved, which means you also perform better."
辛格：“第一种是生理方面的解释，如血液流动增加，所以向脑部的供氧增加。进行体育锻炼意味着产生更多激素，例如脑内啡。脑内啡使得你压力水平降低，情绪改善，这也就意味着表现更好。”
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The study leaves some questions unanswered, however. Ms. Singh says it is not possible to say whether the amount or kind of activity affected the level of academic improvement. This is because of differences among the studies.
然而该研究还留下了一些未解之谜。辛格女士说，无法确定是运动量还是运动类型影响到学习进步的程度。因为这些研究之间存在差异。
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作者: tinaodile 时间: 2012-3-12 12:42
Also,students in vote organize spots learn lose,and how to follow them,this could improve their classroom be happier ,and help them to keep this mind on their work.作者: qhq123456 时间: 2012-3-12 21:36
Also students involved in organized to sports learn rules and how to follow them.This could improved their classroom behavior and help them to keep their mind to their work.
