CONTENTS ix 



CHAP. PAGE 



TX. THE INFLUENCE OF INCREASED ATMOSPHERIC 

 PRESSURE (continued) 



The Effects of Decompression ...... 245 



The Treatment of the Decompression Symptoms . . . 245 



The Effect of Water Pressure on Bioplasm .... 294 



Bibliography 255 



X. WATER ITS RELATION TO METABOLISM AND THE 



REGULATION OF BODY TEMPERATURE . . .256 



Relative Humidity of the Atmosphere 258 



The Amount of Water in the Body 259 



The Output of Water in Rest and Work . . . .260 



The Effect of Humidity of Air on Heat Loss . . . 268 

 The Critical Temperature of an Animal . . . .271 



Bibliography 274 



XI. THE METABOLISM OF FAT . 275 



The Digestion of Fat 277 



Absorption 279 



The Metabolism of Fat 283 



The Metabolism of Fat during Fasting 287 



The Metabolism of Fat when Proteids are Fed . . . 288 



The Source of Body Fat Is it Formed from Proteid ? . . 290 



The Formation of Milk Fat 294 



Pathological Evidence as to the Formation of Fat from 



Proteid 295 



Origin of Fat out of Carbohydrate . . . . . 299 

 The Origin of Body Fat out of Food Fat . . . .302 



Quantitative Relations of Feeding Fats 302 



Fat as a Source of Energy 303 



The Work of Digesting and Absorbing Fat .... 305 



The Putting on of Fat . . . . . . . . 306 



Fattening by Over-eating 306 



Fattening by Lessened Expenditure 307 



The Effects of Obesity 309 



Bibliography 311 



BY J. J. R. MACLEOD 



XII. THE METABOLISM OF THE CARBOHYDRATES . . 312 



The Distribution of Glycogen in the Body .... 321 



How the Tissues may be rendered free of Glycogen . . 324 



What Food-stuffs lead to Glycogen Formation ? 325 



What becomes of Glycogen in the Organism ? 334 



