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What is immunity and the causes of decreased immunity

Our immune system consists of several organs. It:

1. Tonsils and adenoids.
2. Thymus gland - thymus.
3. Lymph nodes.
4. The spleen.
5. The appendix.
6. Peye records in the intestine.
7. Bone marrow.

All of them produce or accumulate our main protective cells - lymphocytes (white blood cells).

As soon as the body is attacked by an infection, that is, pathogenic bacteria, microbes, viruses enter it, then the lymphocytes begin to produce antibodies.

These proteins are the weapons of our immunity - they attack the "invaders" and enter into battle with them.

If the immune system is healthy, the lymphocytes are strong and there are a lot of them, then the body leaves the fight as a winner.

Lymphocytes have an “immune memory." This means that if the microbe already seen once by them enters the body again, lymphocytes already meet it with a large number of antibodies and win faster and easier. Vaccinations are based on this principle.

If lymphocytes are the guardians of our health in the blood, then their "colleagues" - macrophages, whose task is to immediately "arrest" bacteria that have fallen into the tissues, serve in the cells of the internal organs.

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