Renal reabsorption of<unk>  (Cl−) is a part of renal physiology, in order not to lose too much<unk>  in the urine.
Renal chloride reabsorption
Renal sodium reabsorption
Renal glucose reabsorption
Renal urea handling
Renal protein reabsorption
Renal oligopeptide reabsorption
Tubuloglomerular feedback
Renal blood flow