Why does the skin darken when exposed to ultraviolet rays?

because milanocytes, cells located in the epithelium of the skin, form melanin, which absorbs harmful ultraviolet light – a dangerous mutagen that can cause mutations in the DNA.

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.