130 



INDEX 



Electric conductivity of se- 

 rum after drinking dilute 

 sodium chloride solution, 

 79 

 after excessive water in- 

 take, 78, 79 

 Electrolytic dissociation, 107 

 Embryo, development of, 110, 



111 

 Embryology, experimental, 



103 

 Emphysema, in mine work- 

 ers, 19 

 Endothelial cells, indirect 

 regulation of CO2 in 

 blood by, 41, 42 

 Energy, and food supply, 84 

 intake and expenditure of, 

 108 

 "Entelechy," 110, 111, 112 

 Environment, adaptation to 

 changes in, 93, 94, 95, 96 

 and organism, 2, 98, 99, 



103 

 external, 92, 93 

 external, regulation of, 92, 



93 

 internal, blood as the, 16 

 in relation to function, 



82, 83, 84, 93 

 influence on response to 



stimulus, 86 

 maintenance by cell me- 

 tabolism, 85, 86 

 regulation of, 89, 90, 91 

 relation of nervous system 

 to, 92, 93 



Epithelial cells of lungs, gas- 

 eous exchange by, 52, 53 

 function of, 61 

 secretion of oxygen by, 53, 



54, 56, 57 

 selective secretion, 62 

 Epithelium, adaptation to in- 

 jury of, 96 

 Erythrocytes (see red blood 



corpuscles) 

 Excretion of urea, 39, 83 



of water, 77 

 Exercise, effect on breathing, 



10 

 Expiration, cause of, 22 



Faraday, 107 



Fertilisation, stimulus of. 111 



Filippi, 58 



Fitzgerald, 49, 52, 55 



Forced breathing and apnoea, 



9 

 Fredericq, 6, 53 

 Fredericq's experiment, 6 



Gas pressure in arterial 

 blood, 71, 72 



in venous blood, 71, 72 

 Gases, in coal mines, 7 



solution in liquids,. 27 

 Gaseous exchange by lung 



epithelium, 52, 53 

 Glaisher, 43, 59 

 God, conception of, 117, 119 

 Growth, secretion and, 66 



