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北师大版（2025） 选择性必修第三册 Unit 9 Human Biology Lesson 2 Brain Power课件(共19张PPT)（含音频+视频）.pptx

发布：2025-04-13约6.28千字共19页下载文档
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Lesson2BrainpowerUnit9HumanBiology

Vocabularyatomn.原子atomicadj.原子的;原子能的;nerven.神经；焦虑，紧张nervousadj.神经紧张的；organn.器官organicadj.有机的；器官的containvt.包含，容纳，装盛containern.容器locatevt.vi.找出……的准确位置locationn.位置belocatedin/at位于…zonen.地区，地带timezone时区comfortzone舒适区intaken.摄入量，摄取量takein吸收，领会；欺骗

ActivateandshareHowmuchdoyouknowaboutthebrain?Differentareasofthebrainareresponsiblefordifferentfunctions.额叶顶叶颞叶枕叶小脑协调

Matchthewordsfromtheboxwiththeirdefinitions.atomnervebillioncellorgan()1.onethousandmillion()2.apartofthebodythathasaparticularpurpose,e.g.theheart()3.thesmallestpieceofsomethingthatcanexistalone()4.atinypartofthebodythathelpscarrymessagestoandfromthebrain()5.aunitoflivingmatterbillionorganatomnervecell

Beforelisteningtoalectureaboutthebrain,readthestatementsandwriteT(true)orF(false).()1.Thebrainconsistsofonlywhitematter.()2.Thebrainweighsjustoverakilo.()3.Thebraincontainsaboutonebillioncells.()4.Thebrainuses10%ofthebody’senergy.()5.Thebrainsendsmessagesinthesamewayasacomputerworks.()6.Therearemorepossibleconnectionsinyourbrainthanthereareatomsintheuniverse.FTFFTT

ListenforunderstandingCompletetheinformationyouhearaboutthebrain.Whatmatterdoesitconsistof?GreyandwhitematterHowmuchdoesitweigh?Howmuchbody’senergydoesituse?Howmanycellsdoesitcontain?justoverakilo20%overonehundredbillioncells

ListenforunderstandingHowaremessagessent?Thebraincellsmakeup_________,whichareconnectedby_____________________.Thebrainsendsmessagesusing————————.eletricalimpulsesnervecellselectricalimpulses

Listen

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