Biology 0610 · IGCSE · Excretion in humans

Excretion in humans — practice question

In which organ is urea formed and from where is it excreted?

  • Aformed: bladder; excreted: heart
  • Bformed: heart; excreted: liver
  • Cformed: kidney; excreted: bladder
  • Dformed: liver; excreted: kidney

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI