TABLE OF CONTENTS. 



INTRODUCTION. 



PAGE 



NATURE AND OBJECTS OF PHYSIOLOGICAL SCIENCE . . . , . 33 



CHAPTER I. 



OF THE DISTINCTIVE CHARACTERISTICS OF MAN ..... 41 



CHAPTER II. 



OF THE CHEMICAL COMPONENTS OF THE HUMAN BODY, AND THE CHANGES WHICH 



THEY UNDERGO WITHIN IT ' . . . . . . 51 



1. Albuminous Compounds . ' . . . . . 53 



2. Gelatinous Compounds ....... 66 



3. Oleaginous Compounds .-. . . . . . . 69 



4. Saccharine Compounds - .- : . . . . . 75 



5. Excrementitious Substances ,, . . . . . 80 



6. Inorganic Substances forming part of the Living Body, and contained in 



its Excretions . . . ? '. , . .98 



7. General Summary. Operation of Chemical Forces in the Living Body . 112 



CHAPTER III. 



OF THE STRUCTURAL ELEMENTS OF THE HUMAN BODY, AND THE VITAL ACTIONS 



WHICH THEY EXHIBIT . . . . *).. . . . 119 



1. Of the Elementary Forms of Organic Structure, and their modes of Vital 



Activity . . . . . . . .120 



2. Of Vital Force, and the Conditions of its Exercise . . .140 



3. General Survey of the Life of Man . V . . .148 



CHAPTER IV. 



OF THE BLOOD ; ITS PHYSICAL CHARACTERS, CHEMICAL COMPOSITION, AND VITAL 



PROPERTIES . . . . . . . . . 153 



1. General Considerations . * . c . . . . . 153 



2. Physical, Chemical, and Structural Characters of the Blood y^ . 156 



3. Of the Vital Properties of the Blood, and its Relations to the Living Organism 191 

 2 



