Since ancient times, humankind has sought to understand the guts inside us. Ancient Egyptians handled human organs as they removed them for embalming. Medical manuscripts found in an ancient Chinese tomb may be the earliest-known anatomical writing about the human body. Thousands of years later, do we know how many organs are in the human body?
Organs are collections of tissues that work together for a common goal, explained Lisa M.J. Lee, an associate professor in the Department of Cell & Developmental Biology at the University of Colorado School of Medicine. “Every organ provides a function for human performance or survival,” she told Live Science.
But not every organ is necessary for survival. Only five organs — the brain, heart, liver, at least one kidney, and at least one lung are absolutely essential for living. Losing total function of any one of these vital organs spells death. Remarkably,