eli5 Why can human embryo’s be frozen but not human adult?
In: Biology
Size. The freezing and defrosting process of something small like an embryo is vastly quicker and easier than an adult.
The biggest thing they have managed to freeze and defreeze is a hamster.
There’s just noway to get the defreezing agent into the tissue cells quick enough. It would invariably lead to cell death and probably death death.
Either by not entirely defreezing the person or by defreezing them and cooking them in the process.
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