State of water in cells, free and structural water in living systems

The most common component of living organisms is water. It is the most quantitatively among the substances of the cell, although its content is different. In most cases, water makes up 2/3 of the entire cell. A large content of water is a necessary condition for the normal functioning of the cell. Water is a determining factor of the physical properties, plasticity and quantity of the cell. The more intense the metabolism in the cell, the higher the water content in it. There are two types of water in the cell: free and bound. Free water is 95% of the cell and bound water is 5%. Free water does not hydrate ions and transports substances between cells with its help, while bound water reacts with ions and hydrates through hydrogen bonds. Water participates in the breakdown of fats, proteins, carbohydrates and other substances. When a large amount of water is lost, the cell loses all vital properties and vital processes slow down or decrease.