File talk:Diagram showing how the kidneys work CRUK 138.svg
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I think this is nonsense. First the arterial blood goes around the tubules and absorbs substances from them and then it gets filtered in the nephrone… so no returning of the substances can take place and the absorbtion in the artery is useless. --Nefronus (talk) 21:24, 28 November 2018 (UTC)