viii ELEMENTS OF PHYSIOLOGY 



CHAPTER PAGE 



XIII. NUTRITION 215 



The Sources of Power and Heat for the Human 



Mechanism 215 



The Food Reserve of the Body. Fat. Glycogen. Cell 



Proteins 222 



Food as the Material for Growth, Repair, and the 



Manufacture of Special Products of Cell Activity 229 



The Proper Daily Intake of Protein 235 



XIV. SENSE ORGANS AND SENSATIONS 240 



XV. THE NERVOUS SYSTEM 263 



Its Anatomical Basis 263 



The Physiology of the Nervous System 269 



XVL FOOD ACCESSORIES, DRUGS, ALCOHOL, AND TOBACCO . 286 



INDEX . 309 



