Low temperature and blood can produce suspended animation

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When your body temperature is 10°C, there is no brain activity, no heartbeat, no blood, and everyone thinks you are dead. However, we can bring you back. "This is not alarmist, Samuel of the Maryland College at the University of Parks has shown that the body can maintain this kind of "dead-dead" state for an hour. So far it has been tested on animals. It involves draining blood from the body and 20°C cooler than normal body temperature.
Once the recovery begins, the blood is pumped into the body through the vein again and the body warms slowly. "As the blood is pumped in, the body turns pink," he said. At a certain temperature, the heart begins to beat. "It's very strange that the heart beats once at 30°C, as if it suddenly pops out, and then it starts to last. Then, the body temperature will recover under the heartbeat." Surprisingly, in their experimental animals showed There are few adverse effects after they wake up. "They'll be a bit drowsy, but it will return to normal the next day," Samuel said.
Samuel is very cautious about news reports. He is particularly cautious about using "dead" instead of freezing and awakening. “Let the public know that this is not a science fiction novel. It is based on experimental work and is being studied in a disciplined way. We used it to stop people from dying before. What we are doing is the beginning of the experiment.”