Biology for IGCSE & O level - Excretion In Humans (Section 3 - No. 10)
What is the function of the renal vein?
To carry blood with a low urea concentration away from the kidney.
To carry blood with a high urea concentration away from the kidney.
To deliver blood to the kidney.
To transport urine to the bladder.
Explanation
The renal vein carries blood that has been filtered by the kidney and has a lower urea concentration.
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