The human liver can regenerate to its original size from just twenty-five percent of its tissue.
Why it is true
The liver is the only internal organ capable of natural regeneration. Hepatic cells multiply rapidly after an injury or surgery, restoring the organ's mass and function within a few weeks.
Source: Harvard Medical School
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Related facts
The liver is the only human internal organ capable of completely regenerating itself, even if it loses up to seventy-five percent of its mass.
The liver is the only internal organ capable of fully regenerating itself.
The liver is the only human internal organ capable of complete regeneration, being able to recover its original size even after losing up to seventy-five percent of its tissue.