formed – the main
Today the word “immunity” is heard. We all know that immunity must be enhanced, strengthened, strengthened. And when it weakens, we begin to hurt. And what is included in this concept? How, how, where is immunity formed?
Immunity – what is it?
The protection of our body from various pathogens: toxins, germs, viruses – and this is immunity – is carried out by various organs. The main ones include bone marrow (red) and thymus (thymus gland), where lymphocytes are formed – the main cells of the immune system. B-lymphocytes are formed in the bone marrow, as well as precursors of T-lymphocytes, the latter differentiate (turn) into T-lymphocytes in the thymus. Continue reading