NON-LIVING THINGS 229 



tions may be recorded once a week or oftener by the class, 

 if results justify so doing. 



In the absence of an organized course in physiology for 

 the several grades, based upon adopted texts, health lessons 



on such subjects as the following will meet 

 Lessons *^ e more ser i us needs: The skin. Its 



structure, glands, and other organs, includ- 

 ing perspiratory and sebaceous glands, organs of touch, 

 temperature, and pain; its appendages, in man, hair and 

 nails ; in other animals, feathers, claws, hoofs, horns, beaks, 

 and spurs; its functions, including excretion, regulation of 

 temperature, and protection of underlying organs, and its 

 hygiene, including massage and bathing. In a similar way 

 the muscles, teeth, digestive organs, nervous system, may 

 be treated. 



Work under the head of alcohol and narcotics should be 

 well considered and tactfully presented. Some knowledge 



of the nervous system is almost imperative 

 Alcohol for the success O f t he work with older 



and 

 Narcotics pupils, as it is upon this system that the 



profound effects of these things are pro- 

 duced. The effect of the use of tobacco upon growing 

 minds and bodies should be emphasized with young pupils. 

 In general a stronger case is made against alcohol and 

 other narcotics by emphasizing the moral rather than the 

 physical effects ; but boys at the age when interest in athlet- 

 ics begins to develop, are deeply impressed by the fact that 

 these things are inimical to normal muscular development. 

 Teachers should not forget that it is through curiosity 

 purely that most boys begin to tamper with tobacco and 

 alcoholic drinks. 



