124 



INDEX 



Alkali, effect on alveolar 



CO2, 35 

 effect on dissociation curve 



of oxyhaemoglobin, 31 

 Alps, 50 

 Altitudes, acclimatisation at, 



48, 56, 58, 59 

 alveolar CO2 at, 47 

 alveolar oxygen pressure 



at, 61 

 arterial oxygen pressure at, 



58, 61 

 blood reaction at, 50, 51 

 circulation rate at, 57 

 dissociation of oxy-haemo- 



globin at, 50 

 effect of muscular exertion 



at, 56 

 effect on blood volume, 52 

 effect on breathing, 47, 48 

 effect of oxygen deficiency 



at, 47, 49 

 increase of red blood cor- 

 puscles at, 51 

 oxygen consumption at, 57 

 oxygen pressure in blood 



at, 56, 57, 61 

 oxygen secretion at, 56 

 percentage of haemoglobin 



at, 51, 52, 56, 57 

 secretion of oxygen by 



lungs at, 53, 54, 56, 57 

 Alveolar air, CO2 percentage 



in, 8, 9, 10, 11, 12, 13, 14, 



15 

 oxygen pressure in, 30 

 sampling of, 8 



Alveolar carbon dioxide 

 and Hering-Breuer in- 

 hibition, 25 



at high altitudes, 47 



calculated for dry air, 14 



constancy of, 8, 10 



during severe exertion, 27, 

 41 



effect of acids on, 35 



effect of alkalis on, 35 



effect of diabetes on, 35 



effect of diet, 35 



effect of increased oxygen 

 pressure on, 49 



effect of oxygen deficiency 

 on, 27 



effect of partially ob- 

 structed breathing on, 13 



effect on breathing, 8, 9, 

 10, 11, 12, 13, 14, 15 



in acidosis, 27 



regulation of breathing by, 

 7, 9, 11, 14 



relation to barometric pres- 

 sure, 14 

 Alveolar carbon dioxide 

 pressure, and percentage, 

 relation to barometric 

 pressure, 14 



during rest, 27 



relation to alveolar oxygen 

 pressure, 49 

 Alveolar oxygen, constancy 

 of, 10 



effect on breathing, 8 



regulation of, 10 



