CONTENTS. 



PART I. 



Vital force, vis vitee, or vitality ... ... ... pciye 



Distinction between animal and vegetable life 



Assimilation the result of chemical forces 



Vitality independent of consciousness 



Laws of the \'ital force 



Conditions of animal life 



Nutrition depends on chemical changes 



Amount of oxygen inspired by an adult man 



It combines with carbon and hydrogen in the body 



The consumption of oxygen varies ... 



Effect of heat on these variations ... 



The mutual action of oxygen and carbon in the body is the 



true source of animal heat 

 The amount of oxygen regulates that of food 

 Effects of climate on the appetite 

 The process of starvation 



Cause of death in starvation and chronic diseases ... 

 Nerves and muscles not the source of animal body 

 Amount of animal heat ... ... ... ... 



Nervous and vegetative life ... 



Nutrition depends on the constituents of blood 



Identity of organic composition in fibrine and albumen 



Nutrition in the carnivora the most simple ... 



In the herbivora, depends on the azotised products of vege 



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