When lowering the PCO2 in this type of context, the results which were gotten was that the [H+] concentration in urine decreased, and the [HCO3-] concentration in urine increased.
This is referred to as a liquid waste and by product of metabolism in organisms and usually flows from the kidney to the ureter and stored in the bladder for its excretion. During excretion occurs, the urine moves to the urethra and is expelled out of the body.
PCO2 which is known as partial carbon dioxide is the measure of carbon dioxide within arterial or venous blood. it is known as an alkaline gas which means it must have a high [HCO3-] concentration in urine and a low [H+] concentration.
This is therefore the reason why increase in [HCO3-] concentration will occur with an increase in the carbon dioxide.
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