The goal of those in support of organ donation is that it will further contribute to the pool of suitable organs for transplants while the need for lifesaving organ transplants is so great. It has been estimated that 400–500 infant hearts and kidneys and 500–1,000 infant livers are needed in the United States each year. Because anencephalic neonates have partially functioning brain stems, they possess some brain stem reflexes such as spontaneous respirations. For this reason, these patients cannot be declared brain dead.