Biology 5090 · O Level · Urinary system

Urinary system — practice question

(a)[3]

Define what is meant by excretion.

(b)[7]

Explain how a kidney machine performs the functions of a kidney for a person with kidney disease.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Elimination from the body” …

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