Correct Answer: B

Rationale: The liver is the largest internal organ in the human body, weighing about 1.4 kilograms in adults. It performs over 500 essential functions, including detoxification, protein synthesis, and the production of biochemicals necessary for digestion. One of its primary roles is to process nutrients absorbed from the small intestine and store glycogen for energy regulation. The liver also breaks down toxins, metabolizes drugs, and produces bile, which helps digest fats. Its regenerative capacity allows it to recover from partial damage, making it one of the most vital and resilient organs in the body.

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