I 

 Q 



I 



O 



10 20 



40 



100 



FIG. 5. 



Percentage saturation 

 with oxygen 



100 



FIG. 6. 



mm. pressure 



10 20 30 40 50 60 70 80 90 100 



Oxygen pressure 

 FIG. 7. mm. 



FIG. 5. Percentage saturation of haemoglobin with oxygen at 37 C. corresponding to 

 oxygen pressures of 0, 10, 20, 40 and 100 mm. of oxygen respectively. 



FIG. 6. The same spaced with the oxygen pressure as the abscissa. 



FIG. 7. Dissociation curve representing the equilibrium between oxygen, oxyhaemoglobin 

 (red) and reduced haemoglobin (purple). 



