CONTENTS 



CHAPTER I 



INTRODUCTION 



PAGE 



The Study of an Engine The Study of the Human Body 

 Anatomy Physiology Hygiene Biology The Kela- 

 tion of Physics and Chemistry to Physiology ... 1 



CHAPTER II 

 LESSONS IN CHEMISTRY 



1. THE STUDY OF A MATCH : Phosphorus Oxid of Phosphorus 



Sulphur and Oxid of Sulphur Water Carbon and 

 Carbon Dioxid Test for Carbon Dioxid Mineral Sub- 

 stances Definitions Elements Compounds Oxida- 

 tion Summary ......... 5 



2. A STUDY OF AIR : Preparation of Oxygen Atmospheric 



Pressure Collection of Oxygen Physical Properties of 

 Oxygen Chemical Properties of Oxygen Preparation 

 of Nitrogen A Test for Acids The Composition of Air 



Properties of Nitrogen Summary .... 11 



3. THE CHEMICAL COMPOSITION OF THE HUMAN BODY: Water 



Mineral Matters Gases Fats Carbohydrates 

 Nitrogenous Substances Summary . . . . .16 



CHAPTER III 

 A STUDY OF LIVING SUBSTANCE 



1. THE GENERAL STRUCTURE OF ANIMAL BODIES : Vertebrates 



and Invertebrates Regions of the Body Organs 

 Tissues 20 



2. CELLS, THE UNITS OF LIVING SUBSTANCE : The Amoeba 



Structure of a Cell Cells of the Blood Cells in Other 

 Tissues Intercellular Substance Definition of a Tissue . 23 

 ix 



