Bio elements – oxygen, hydrogen, carbon, nitrogen, phosphorus and sulfur – are essential components of biological polymer molecules – proteins, polysaccharides and nucleic acids.
Sodium, potassium and chlorine ensure the permeability of cell membranes, the work of potassium – sodium (K / N-) pump, the conduct of a nerve impulse.
Calcium and phosphorus are structural components of the intercellular substance of bone tissue. In addition, calcium is one of the factors in blood coagulation.
Iron is a part of the erythrocyte protein – hemoglobin, and copper – is part of a similar protein, which is also an oxygen carrier, – hemocyanin (for example, in mollusk erythrocytes).
Magnesium is an essential part of chlorophyll plant cells. And mod and zinc are part of the thyroid and pancreas hormones, respectively.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.