Use the figure below to answer the following questions. 
Figure 9.3.3
-Consider an initial budget line labelled RS in Figure 9.3.3.If the budget line becomes RT,the income effect is illustrated by the move from point
Definitions:
Reabsorption
The process by which substances are taken back into the bloodstream from the renal tubules of the kidney.
Sodium-Hydrogen Antiport
A type of antiporter that exchanges sodium ions for hydrogen ions across the plasma membrane, important in regulating pH and sodium levels.
Na+
Sodium ions, which are essential for various bodily functions including conducting nerve impulses and maintaining fluid balance.
H+
Hydrogen ion, a positively charged ion of hydrogen; a measure of acidity in solutions.
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