• What is osmosis?

    Anna Piskunova
    Anna Piskunova
    February 5, 2015
    What is osmosis?

    For the first time we are faced with the concept of "osmotic pressure" in biology class when we observe the nutrition of plants with the help of the root system. The word "osmotic" comes from the word "osmosis." Let's talk more about what is osmosis and what is its value.

    Osmosis is a process in which water or other solvents pass through a semipermeable membrane, and it, in turn, inhibits the movement of substances dissolved in a liquid.

    Essence of osmosis

    The basis of the process of osmosis are the peculiarities of the molecular structure of the substance. Of particular importance here belongs to the size and mobility of molecules. Thus, for example, the more mobile the particles of a substance, the more intense the osmotic process will be. Similarly, one can judge the parameters of the size of the molecules.

    The basic principle underlying osmosis is the system’s striving for equilibrium, even if it experiences actions that tend to take it out of this state.

    Osmosis value

    Osmosis plays a huge role not only in plant nutrition. You can also note the individual phenomena in the human body. For example, proteins are not washed out of the cells due to their special structure.

    In addition, osmosis is a very serious regulator of ecological life. Of great importance is reverse osmosis in water filtration.

    Thus, the osmotic process is very important for the maintenance of life: from molecules to large organisms and entire populations.


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