Biology 0610 · IGCSE · Excretion in humans

Excretion in humans — practice question

Which row correctly identifies the organ from which each substance is excreted?

  • Acarbon dioxide: kidneys; excess water: liver; salts: lungs; urea: lungs
  • Bcarbon dioxide: liver; excess water: liver; salts: liver; urea: skin
  • Ccarbon dioxide: lungs; excess water: kidneys; salts: kidneys; urea: kidneys
  • Dcarbon dioxide: lungs; excess water: kidneys; salts: liver; urea: skin

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