关于科学用脑的英语作文 关于科学用脑HowtoUseOurBrain 1．人脑的重要性及作用。 2．如何科学用脑。 [写作导航]先写大脑的特性和作用(复杂、智能的器官，使人区别于动物等)；再写大脑越用越灵，但过度使用也会出问题，为第三段作铺垫；第三段从两方面说明如何合理用脑：一是劳逸结合，手脑交替；二是从科学的角度，利用数据，说明过度用脑可能给大脑带来的伤害。 Humanbrainisthemostcomplexandintelligentmechanismintheworld.Itisthemajorfactorthatdistinguishesmanfromanimals.Withourbrainwegettoknowtheworldandmakeagooduseoftheworldtoourbenefit. Ourbrainisaproductofconstantusethroughmillionsofyears.Otherthingscanb1 ——文章来源网，仅供分享学习参考 eusedup，butusedproperly，ourbraincanneverbeexhausted.Infact，themoreweuseit，themorecapableandefficientitwillbecome.Excessiveuseofthebrain，however，willcausealotofproblems.Soitisusefultoknowhowtouseourbrainwisely. First，handworkorphysicallaborisgoodexerciseaswellasrestforourbrain.Doinghandworkandbrainworkalternativelycanhelpdevelopbothourbrainandhands.Secondly，weshouldavoiddoingbrainworkforlonghoursonend.Thebrain，though3%ofthebodyweight，whenatwork，consumes20%oftheoxygencarriedby16%ofthebloodincirculation.Alongperiodofbrainworkmaycause，throughlackofbodilyactivity，slowbloodcirculationandinadequateoxygensupplytothebrain，resultingininefficiencyandpossibledamagetothebrain. ——文章来源网，仅供分享学习参考 2 本文来源：https://www.wddqw.com/doc/bd60f2b46bdc5022aaea998fcc22bcd126ff42cf.html