Multiple choice

________ brings into kidney the dirty blood containing waste substances.

  1. Aorta

  2. Renal artery

  3. Renal vein

  4. Vena cava

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The renal artery branches off the aorta and delivers oxygenated, waste-rich blood to the kidneys for filtration.

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