CHAPTER VIII. 

 FOODS. 



1. How the Body is Built up and Repaired. So long as 

 you are growing, you require a supply of material out of 

 which your body can make more bone and muscle and 

 skin and blood, and the rest. This material is supplied 

 in the things you eat and drink. 



Even after a man is full-grown, he still needs a quan- 

 tity of food daily, to repair his body. Every time an or- 

 gan works, some of it is used up and turned into useless 

 waste things, which are soon carried away from the body 

 through the pores and other outlets. If they are kept 

 in it, as they sometimes are in disease, they clog all the 

 organs and interfere with their work. If a man be starved, 

 he becomes lighter every day, because he makes waste 

 matters, and these are carried away by the skin or the 

 lungs (Chap. XV.) or the kidneys (Chap. XVII.) or other 

 organs, all the time so long as he lives. 



2. The First Use of Foods is, then, to furnish materials 

 for the building and repair of the body. In early life, 

 the building exceeds the waste, and growth takes place. 



1. What does the body require while growing? How supplied? 

 Why does a full-grown man need food ? Why must the wastes of the 

 body be removed ? Why does a man become lighter if he takes no 

 food? 



2. What is the first use of foods ? Why do we grow while young ? 

 Why not in middle age ? What often happens in old age ? 



