The bicarbonate buffer system is the most important buffer in the body because the concentrations of its components can be independently regulated, PCO2 by the lungs and PHCO3− by the kidneys. The lungs and...
The normal pH of arterial plasma = 7.4 ± 0.02, the pH of venous plasma and of interstitial fluids= 7.38 ± 0.02 because of the extra quantities of carbon dioxide that form carbonic acid...
