Why is there water in the dormant warehouse?

Hibernation chamber should be low temperature freezing technology. Now there are many people who sleep at low temperature in many countries such as the United States and Germany. According to the current technology, it can only be guaranteed that the human body will not change after freezing, because cells will not breathe and will not change without breathing.

The low-temperature dormancy chamber is an optimized low-temperature dormancy chamber built by NASA in cooperation with commercial companies with an investment of US$ 500,000, which is used for astronauts' long-distance space travel. It is used to develop a technology to immerse human astronauts in a deep sleep state and realize long-distance space travel.

That's not water, just a liquid solution. During the dormancy of astronauts, the life support system should not only maintain the body temperature, but also accurately control the intake of oxygen and nutrients. The liquid life support system is more controllable on these hair surfaces.