The school physiology journal . he head changesits appearance during this time. Explain that thedifference in size here is not so great, becauseas the brain grows it gets more wrinkled andthus takes up less room than if it were spreadout flat. Tell the class that every time thebrain is used these wrinkles grow a little deeper,and it is easier to dothis same thing nexttime ; and that whenwe have done a thingmany times, we callit a habit. Prove tothem that things be-come easier throughrepetition, by askingthem to work someproblem in arithme-tic which they founddifficult last year butwhich is now
The school physiology journal . he head changesits appearance during this time. Explain that thedifference in size here is not so great, becauseas the brain grows it gets more wrinkled andthus takes up less room than if it were spreadout flat. Tell the class that every time thebrain is used these wrinkles grow a little deeper,and it is easier to dothis same thing nexttime ; and that whenwe have done a thingmany times, we callit a habit. Prove tothem that things be-come easier throughrepetition, by askingthem to work someproblem in arithme-tic which they founddifficult last year butwhich is now solvedalmost without think-ing. Each pupil maynow be asked toname something elsewhich is hard workat first but easy afterit has been donemany times ; such aswalking, skating, play-ing the piano, read-ing, sewing. When a good listhas been given, askif any one knows whyall these things weredifficult to begin withbut easy no one cantell. Illustrate bycalling attention tothe fact that a sleigltrack has been made. Head of Christ runs better after a goodthan it did the first timeit went through the snow, because there is lessresistance to the runners. Tell them next, that much the same thing istrue in the case of the brain ; that when wethink about the same thing many times, or dothe same thing over and over, the wrinkles inour brains grow a little deeper and it is thuseasier for our thoughts to go over the same pathnext time. With the knowledge in mind that every les-son learned makes the next lesson easier, everycommand obeyed makes it easier to obey next time, ask the children what kind of thoughtsthey will need to have, what they should study,and how they should act in order to form thekind of habits they will wish to have when theyare men and women. For a third lesson assign these questions : How does the brain find out what each partof the body needs ? How does it direct the movements of thebody? Work of the Brain. Write on the board .the names of five towns
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Keywords: ., bookcentury1800, bookd, booksubjecthygiene, booksubjectphysiology
