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 from the aorta to deliver blood containing nitrogenous wastes to the kidneys for filtration. Once filtered, the blood leaves through the renal vein. The aorta and vena cava are the main systemic vessels that connect to these renal branches.

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