What vitamin is produced by the sun’s rays? What is its significance? What arises with its lack?

Ultraviolet rays stimulate the production of vitamin D in the skin, which is involved in the exchange of calcium and phosphorus, and is also found in fish oil. With its lack, rickets occurs, a disease that leads to deformation of the bones of the skeleton.

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.