Biology 5090 · O Level · Urinary system

Urinary system — practice question

The diagram illustrates a section of the human urinary system. What are the structures labelled X, Y and Z?

  • AX artery, Y vein, Z ureter
  • BX artery, Y vein, Z urethra
  • CX vein, Y artery, Z ureter
  • DX vein, Y artery, Z urethra

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