怎样使用我们的头脑(How to Use Our Brain)

详细内容

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[范文]

humanbrainisthemostplexandintelligentmechanismintheworld.itisthemajorfactorthatdistinguishesmanfromanimals.withourbrainwegettoknowtheworldandmakeagooduseoftheworldtoourbenefit.ourbrainisaproductofconstantusethroughmillionsofyears.otherthingscanbeusedup,butusedproperly,ourbraincanneverbeexhausted.infact,themoreweuseit,themorecapableandefficientitwillbee.excessiveuseofthebrain,however,willcausealotofproblems.soitisusefultoknowhowtouseourbrainwisely.

first,handworkorphysicallaborisgoodexerciseaswellasrestforourbrain.doinghandworkandbrainworkalternativelycanhelpdevelopbothourbrainandhands.secondly,weshouldavoiddoingbrainworkforlonghoursonend.thebrain,though3%ofthebodyweight,whenatwork,consumes20%oftheoxygencarriedby16%ofthebloodincirculation.alongperiodofbrainworkmaycause,throughlackofbodilyactivity,slowbloodcirculationandinadequateoxygensupplytothebrain,resultingininefficiencyandpossibledamagetothebrain.