alleryThe renal vein leaving the kidney carries blood that is
ALoaded with extra urea after filtration
BUnchanged from the renal artery blood
CFiltered, with less urea and more carbon dioxide
DCarrying urine to the urinary bladder
Answer & Solution
Correct answer: C. Filtered, with less urea and more carbon dioxide
1. Inside the kidney, urea is filtered out into urine.
2. Oxygen is also used by kidney cells, producing CO2.
3. Renal vein blood leaves with less urea and more CO2.
4. So option A is correct.
_Source: Selina Concise Biology Class 10, Ch 8 The Excretory System (Mistral OCR'd PDF), section on blood supply_
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