CONTENTS. 



CHAPTER I. 



PAGE 



THE GENERAL AND DISTINCTIVE CHARACTERS OF LIVING 



BEINGS . . . . . . . . . . . . i 



CHAPTER II. 



THE RELATION OF LIFE TO OTHER FORCES . . . . 9 



CHAPTER III. 



CHEMICAL COMPOSITION OF THE HUMAN BODY . . . . 16 



CHAPTER IV. 



STRUCTURAL COMPOSITION OF THE HUMAN BODY . . . . 28 



CHAPTER V. 



STRUCTURE OF THE ELEMENTARY TISSUES . . . . . . 38 



Epithelium . . . . . . . . . . ib. 



Areolar, Cellular, or Connective Tissue . . . . 44 



Adipose Tissue . . . . . . . . . . 47 



Pigment . . . . . . . . . . . . 48 



Cartilage . . . . . . . . , , - . . 50 



Bones and Teeth . . . . . . . . . . 54 



CHAPTER VI. 



THE BLOOD . . . . . . . . . . . . 65 



Quantity of Blood . . . . . . . . . . 67 



Coagulation of the Blood . . . . . . . . 69 



Conditions affecting Coagulation . . . . . . 75 



Chemical Composition of the Blood . . . . . . 77 



The Blood-Corpuscles, or Blood-Cells . . . . . . 78 



Chemical Composition of Red Blood-Cells . . . . 83 



The White Corpuscles. . . . . . . . . . 85 



The Serum . . . . . . . . . , 87 



Variations in the Principal Constituents of the Liquor 



Sanguinis . . . . . . . . . . 88 



