The importance of water for humans is difficult to overestimate. It plays a huge role in maintaining our health and life in general. After all, you can live without food for quite a long time, and without water for no more than three days.

Humans are 65–75% liquid. It is present in all the tissues of our body. Up to 90% of water contains lungs, blood — up to 80%, brain — up to 75%, joints — up to 24%. Even in the teeth there is 0.2%.