Vital Organs like heart, liver, kidneys, intestines, lungs, and pancreas can be donated only in case of ‘brain death’. However other tissues like corneas, heart valves, skin, bones etc. can be donated only in case of natural death.
Brain death results from a severe, irreversible injury to the brain. All areas of brain are damaged and no longer function due to which a person cannot sustain his/her own life, but vital body functions may be maintained by an artificial support system. This maintains circulation to vital organs long enough to facilitate organ donation. People who experience brain death also donate tissues.
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