This is due to several factors. The voice is formed by the flow of air that travels through the vocal cords. Accordingly, the voice depends on the vocal cords. In childhood, we can see that the voices of boys and girls are very similar, but after a while in adolescence, boys’ voices become coarser. This is due to the effects of sex hormones. They change many processes in the body. The vocal cords also change. With a disturbed hormonal background, the voice can change, both in men and women.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.