Energy. The resulting energy is spent on heat generation or gradually accumulated by the body in the form of ATP molecules, which are subsequently spent by the body for their own purposes.
Plastic Carbohydrates are spent by the body on the synthesis of nucleic acids, elements of the cell membrane, nucleotides of polysaccharides, enzymes, complex proteins.
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.