Biology 5090 · O Level · Urinary system

Urinary system — practice question

In what way do the concentrations of oxygen and urea in the renal artery differ from their concentrations in the renal vein?

  • Aoxygen in renal artery: higher; urea in renal artery: higher
  • Boxygen in renal artery: higher; urea in renal artery: lower
  • Coxygen in renal artery: lower; urea in renal artery: higher
  • Doxygen in renal artery: lower; urea in renal artery: lower

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