Biology 0610 · IGCSE · Excretion in humans

Excretion in humans — practice question

A patient has dye injected into the blood supply of his kidneys. The dye is then seen in his excretory system, as shown. Which part is obstructed?

  • Athe kidney
  • Bthe ureter
  • Cthe bladder
  • Dthe urethra

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