Metabolism Experiment No. 72. 



129 



Elements and Materials Katabolized in Body. 

 It has already been emphasized in the discussion of experiment No. 70, 

 the first experiment with food, that in the tables showing the disintegration 



Table 81. Record of carbon dioxide and oxygen Metabolism experiment No. 12. 



of body material, the katabolism and the effect of the absorption of food 

 are considered independently. In this experiment likewise, in computing the 

 materials actually katabolized from the body, drinking-water and food are not 



Table 82. Elements katabolized in body Metabolism experiment No. 12. 



1 Includes aiso water of perspiration. 



taken into consideration. From the loss of elements as given in table 82 

 and by use of the formulas previously quoted, it is calculated that there was a 

 loss of 1824.62 grams of water, 63.96 grams of protein, 147.47 grams of fat, 

 9 



