alleryBlood that enters the kidney through the renal artery is
ADeoxygenated and free of any wastes
BOxygenated and rich in nitrogenous wastes
CAlready filtered and ready for excretion
DComing from the urinary bladder directly
Answer & Solution
Correct answer: B. Oxygenated and rich in nitrogenous wastes
1. Renal artery branches from the aorta.
2. It carries oxygenated blood loaded with metabolic wastes.
3. These wastes are filtered out by the nephrons.
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 to kidney_
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