The liver is the organ responsible for producing urea through the urea cycle (ornithine cycle). During protein metabolism, the body generates ammonia, a highly toxic waste product. The liver converts this ammonia into urea, which is much less toxic and can be safely transported in the bloodstream. The kidneys then filter urea from the blood and remove it from the body through urine. This process is essential for eliminating nitrogen waste and maintaining the body's chemical balance.
Which body part produces urea?
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This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.