Where is the formation of white blood cells? What is their life span?

White blood cells are the only nucleated blood cells. They form in the red bone marrow. The life span of leukocytes ranges from several hours to several years. The main function of white blood cells is to protect the body from infections, foreign proteins and foreign bodies that can harm it – maintaining homeostasis.

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.