CONTENTS 



CHAPTER XXVIII 



PAGE 



THE CHEMICAL COMPOSITION or THE BODY . . . . 406 



Carbohydrates ... 406 



^ts ; ; 414 



Proteins . ....... 416 



Li P ids ......... 434 



Enzymes ...... 438 



CHAPTER XXIX 



THE BLOOD ....... 444 



Coagulation of the Blood ..... . 446 



The Plasma and Serum ..... 452 



The Blood-Corpuscles . . . , , . .454 



Development of the Blood-Corpuscles . . . . .459 



Chemistry of the Blood-Corpuscles . . . v . .461 



Haemoglobin ...,.., .461 



Immunity ....... 472 



CHAPTER XXX 



FOOD .......... 479 



Dietaries ...... 479 



Milk .' 481 



The Mammary Glands ....... 485 



Eggs .......... 486 



Meat .......... 487 



Flour . . . . . . . . . .488 



Bread .......... 489 



Cooking of Food ...... . 489 



Accessories to Food ....... 490 



Unknown but Essential Constituents of Food . 491 



CHAPTER XXXI 

 THE ALIMENTARY CANAL; SECRETING GLANDS ..... 492 



CHAPTER XXXII 



SALIVA .......... 498 



The Salivary Glands . . . . . . . .498 



The Secretion of Saliva . . . . . . . 500 



Secretory Nerves of Salivary Glands . . . . .502 



The Saliva ...... 504 



