If the GFR is too low,needed substances may pass so quickly through the renal tubules that they are not absorbed and instead are lost in the urine.

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Quizplus · Accepted Answer

If the GFR (Glomerular Filtration Rate) is too low, it means the kidneys are not filtering blood quickly enough. This results in more time for substances to be reabsorbed in the renal tubules, not less. When GFR is high, substances may pass too quickly and not be absorbed, leading to their loss in urine.

If the GFR Is Too Low,needed Substances May Pass So