CONTENTS 



I. CELLS . . . . .' . . . . . 7 



II. DIGESTION . . . . ' . . . 15 



III. FOODS . . ., . . . , . . . 26 



IV. INTEMPERANCE AND POISONS . i . . . 35 

 V. TOBACCO . . . . . . . . . 44 



VI. ALCOHOL . . . . ., . , " j. 49 



VII. THE BLOOD AND ITS CIRCULATION -. . . . 60 



VIII. BLEEDING, WOUNDS, AND DISEASE GERMS . - -. . . 72 



IX. RESPIRATION . . ... . . ' . 80 



X. VENTILATION, HEAT, AND CLOTHING . . . . 92 



XI. THE SKIN AND KIDNEYS 104 



XII. THE NERVES AND SPINAL CORD . . . .114 



XIII. THE BRAIN . .... . . . . . .122 



XIV. NARCOTICS AND THE NERVOUS SYSTEM . . . 132 

 XV. THE SENSES . . '. . . . . .143 



XVI. BONES .. . ., . .,..'. . . 155 



XVII. MUSCLES . . . . . . . . .165 



GLOSSARY . . '; .. * . . , v . . 175 



INDEX , . . .183 



