Biology for IGCSE & O level - Excretion In Humans (Section 1 - No. 40)
What is the correct order of structures through which urine flows as it leaves the kidney?
Ureter, bladder, urethra
Urethra, ureter, bladder
Bladder, ureter, urethra
Ureter, urethra, bladder
Explanation
Urine flows from the kidney (via the ureter) to the bladder, and then out through the urethra.
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