ANIMAL HEAT. 93 



2ndly These gases coalesce into 

 water, which greatly tempers the animal 

 heat. 



Q. Why do we feel LAZY and averse to activity 

 in very HOT WEATHER ? 



A. 1st Because muscular activity 

 would increase the heat of the body, by 

 quickening the respiration : and 



2ndly The food we eat in hot weather, 

 not being greasy, naturally abates our 

 desire for bodily activity. 



Q. W hy do the inhabitants of tropical countries 

 live chiefly upon rice and fruit? 



A. Rice and fruit by digestion are 

 mainly converted into water, and (by 

 cooling the blood) prevent the tropical 

 heat from feeling so oppressive. 



Q. Why are POOR PEOPLE generally AVERSE 



tO CLEANLINESS ? 



A. 1st Cleanliness increases hunger; 

 and as poor people are generally ill-fed, 

 they are averse to cleanliness. 



2ndly Dirt is warm, (thus pigs who 

 love warmth, are fond of dirt) ; and as 

 poor people are generally ill-clad, they 

 like the warmth of dirt. 



