题目内容
Patients classified as brain-dead can have their organs surgically removed for organ donation.
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Today, both the legal and medical communities in the US use "cardiac death" as a legal definition of death, allowing a person to be declared legally dead even if life support equipment keeps the body's metabolic processes working.
Bythe1980s,severalstatesintheUSAadopteddifferentlawsthatallowedonlycertaintissuesororganstoberetrieved and donated,someallowedall, and somedidnotallowanywithoutconsentofthe donor.
After the surgeons remove the donated organs, they are transported as quickly as possible to the recipient, for immediate transplantation.
Most organs only survive outside the body for a few hours, so recipients in the same region are usually chosen.
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