Urea is formed in which organ?

Prepare for the Leaving Certificate Digestion Test with engaging questions and explanations. Ready yourself with multiple choice quizzes, hints, and deep insights. Be exam-ready now!

Multiple Choice

Urea is formed in which organ?

Explanation:
The liver carries out the urea cycle, converting toxic ammonia from protein breakdown into urea. This detoxification step happens in hepatocytes, making urea the form that can travel in blood to the kidneys for excretion in urine. The kidneys handle disposal, not production. The stomach isn’t a site of urea synthesis, and the heart doesn’t participate in this metabolic pathway.

The liver carries out the urea cycle, converting toxic ammonia from protein breakdown into urea. This detoxification step happens in hepatocytes, making urea the form that can travel in blood to the kidneys for excretion in urine. The kidneys handle disposal, not production. The stomach isn’t a site of urea synthesis, and the heart doesn’t participate in this metabolic pathway.

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