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CAIE IGCSE Biology 13.1.3 Kidneys, Ureters, Bladder & Urethra

Practise identifying the kidneys, ureters, bladder and urethra in diagrams and tracing urine from formation to excretion.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • identify paired kidneys and the tubes leading from each kidney to the bladder
  • distinguish ureters carrying urine to the bladder from the urethra carrying it out
  • use dye or blockage diagrams to determine where the pathway of urine is interrupted

13.1.3—Kidneys, ureters, bladder and urethra question 1

[Maximum number: 1]

The diagram shows the human excretory system.
Which labelled structure is the urethra?

Figure for Question 13.1.3—Kidneys, ureters, bladder and urethra question 1 — CAIE IGCSE Biology
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