Biology 0610 · IGCSE · Excretion in humans

Excretion in humans — practice question

The following excretory products are given: 1 carbon dioxide, 2 excess ions, 3 excess water, 4 urea. Which of these products are excreted by the kidneys?

  • A1, 2 and 3
  • B2, 3 and 4
  • C1 and 2 only
  • D3 and 4 only

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