350 



OUR BODIES AND HOW WE LIVE 



Pepsin in 



Peptones 112 



Pericardium 141 



Periosteum 20 



Perspiration 196 



Phalanges 31, 34 



Pharynx 273 



Physical exercise .... 53-60 



why needed 53 



Effect of, on muscles . . 54 



Amount of 55 



Time for 56 



Kinds of 57 



Walking for 57 



in schools 59 



Effect of, in schools . . 60 



Physiology, in schools ... i 



Importance of study of . i 



defined 14 



Study of, in schools . 325-329 



Experimental work in . . 328 



Plants, Poisonous 303 



Pleura . 164 



Pneumogastric nerve . . . 221 



Pneumonia 315 



Poison, Definition of ... 93 



Alcohol as a . . . . . 94 



Poisons, Action of .... 93 



Careless use of .... 298 



Kinds of 300 



Acid 300 



Alkaline 301 



Metallic 301 



Vegetable ...... 303 



Antidotes for ... 300-303 



Portal circulation 151 



Portal vein 152 



Pressure, Where and how to 



apply, to stop bleeding 291 



Proteids ........ 



Protoplasm ....... 



Nature of ...... 



Energy set free by ... 

 Pulmonary artery ..... 



veins ...... 144, 



circulation ...... 



infection ...... 



Pulse ......... 



Pupil of the eye ..... 



Pylorus ........ 



144 

 146 

 148 

 175 

 153 

 260 



Radius ........ 30 



Receptaculum chyli . . . . 118 



Rectum ........ 114 



Reflex action, of spinal cord 



and brain ..... 222 



Importance of , ... 223 



Examples of ..... 224 



Relief of, to brain . . . 225 



Reflex centers in the brain . 222 



Renal secretion ..... 206 



Respiration, Object of . . . 161 



Movements of . . . . 167 



Mechanism of . . . . 168 



Effect of, on the air . . 170 



Changes of air in . . . 171 



in the tissues. . . . . 173 



Effect of alcohol on . . 180 



artificial, Method of . . 298 



Retina ........ 260 



Formation of image on . 263 



Ribs ......... 28 



Ringworm ....... 309 



Sacrum ...... . . 26 



Saliva, Action of ..... 106 



Salivary glands ..... 104 



Salts as food ...... 73 



