My IGCSE markscheme says that the renal vein has a lower concentration of glucose? I would expect the renal artery to have lower glucose concentration as water is lost from the kidneys. Why is it so?

  • $\begingroup$ What is an "GCSE markscheme"? Can you add a quote of a few sentences to show the context? $\endgroup$ – uhoh Jan 26 at 4:15

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