Contents 



PART II 



The Powers of Life 



CHAPTER VIII 



I. The task of physiology— 2. The seat of life — 3. The energy of life — 

 4. Cells, the elements of life — 5. The machinery of life — 6. Proto- 

 plasm — 7. The chemical elements of life — 8. Growth — 9. Origin 

 of life ... . . Pages 125-142 



CHAPTER IX 



THE DIVIDED LABOURS OF THE BODY 



Division of labour — 2. The functions of the body: Movement; 

 Nutrition; Digestion; Absorption; The work of the liver and 

 the kidneys ; Respiration ; Circulation ; The changes within the 

 cells ; The activities of the nervous system — 3. Sketch of 

 Psychology ..... 143-152 



CHAPTER X 



INSTINCT 



jl. General usage of the term — a. Careful usage of the term — 3. 



Examples of instinct — 4. The origin of instinct . 153-166 



