436 



NOURISHMENT FOR A HEALTHY ADULT. 



of chemical potential energy from which the body generates on the one 

 hand heat and on the other kinetic energy, the absolute amount of food 



Explanation of the figures: 



Water. 



Proteids. 



ANIMAL FOOD. 



Albuminoids. Non-nitrogenous 



organic matter. 



Human milk 



89 



VEGETABLE FOOD. 



Explanation of the figures: 



Salts. 



Potatoes 



White tur- 

 nips 



Water. Proteids. Digestible Undigestible 



Non-nitrogenous 

 organic matter. 



75 



90,5 



Salts. 



0-5 



Cauliflower 



Beer 



80 



90 



FIG. 141. 



must be increased when the loss of heat from the body (winter) or its 

 muscular activity (work) increases. On the average a man requires 130 

 grams of proteids, 84 grams of fat, and 404 grams of carbohydrates. 



