Multiple choice

Ammonia is converted into urea in:

  1. kidneys

  2. lungs

  3. liver

  4. spleen

  5. intestine
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The liver is the primary site for ammonia detoxification through the urea cycle (ornithine cycle). Highly toxic ammonia is converted into less toxic urea, which is then transported to kidneys for excretion. This conversion does not occur in lungs, spleen, or intestine.

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