BODY CONTROL AND HABIT FORMATION 349 



body machines, we 

 get up in the morn- 

 ing, automatically 

 wash, clean our 

 teeth, dress, go to 

 the toilet, get our 

 breakfast, walk to 

 school, even per- 

 form such compli- 

 cated processes as 

 that of writing, 

 without thinking 

 about or directing 

 the machine. In 

 these respects we 

 have become crea- 

 tures of habit. 

 Certain acts which 

 once we might 

 have learned con- 

 sciously, have be- 

 come automatic. 



But once at 

 school, if we are 

 really making good 

 in our work in the 

 classroom, we be- 

 gin a higher con- 

 trol of our bodily 

 functions. Auto- 

 matic control acts 

 no longer, and sen- 

 sation is not the 

 only guide — for we now begin to make conscious choice; we weigh 

 this matter against another, — in short, we think. 



Parts of the Nervous System. — This wonderful self-directive 

 apparatus placed within us, which is in part under control of our 



The central nervous system 



