Understand what is immunity and the immune system

All people want to be healthy. After all, it depends on this not only the physical, but also the psychological state of a person: the desire to live, create and just enjoy every day. But why sometimes immunity and immune system fail?

Definition of concept

If to say in simple words, then everyone knows what is immunity. This is what is responsible for the health of every person. But if you dig deeper and get to the heart of things, then the work of the immune system is a huge enterprise, a whole chain of mechanisms of the human body that is responsible for its safety, protects from the effects of any harmful viruses and bacteria. What is actually involved in immunity and the immune system: recognize cancer cells, remove toxins, neutralize free radicals, kill various viruses and microbes that enter the body. The very essence of the work of human immunity is to save one's health in any way.

Structure

Immunity and the immune system are born with a person and die with it. But it should be noted that immune protection can be of several kinds: both congenital and acquired. If everything is clear with the first, because it existed from the earliest times and developed with the person, the second one is external help to health. Congenital protection is a cough, runny nose, vomiting and diarrhea, as well as other manifestations of the body with which he tries to get rid of "unwanted guests" - various viruses and infections that threaten human health. Acquired immune defenses are various vaccinations, as well as the resistance of the body, which arose as a result of previous diseases: rubella, chickenpox and the like.

Diseases

But the immune system and the human immune system may not always be in an ideal state. And such important elements for health sometimes also give different failures. Such diseases are dangerous because with the defeat of the immune system, the entire body suffers because of this, because it simply is not protected against numerous dangers. They are divided into two large groups: autoimmune diseases, when the body takes its own tissues for the enemy and attacks itself (arthritis, sclerosis, diabetes, etc.); Immunodeficiency, when immunity and immune system do not work at full strength or simply refuse to perform their duties. Most often, such diseases as hepatitis C, AIDS, tuberculosis are associated with this.

Help

It should be noted that immunity and the immune system are able to receive help from outside. Simply put, you can constantly strengthen your health in various ways. The most simple and low-cost of them: a correct, balanced diet, a healthy sleep and sufficient rest to rest, an active lifestyle and moderate physical activity. Well affect the immune system, intake of vitamins, stay in the fresh air. Also helps hardening - it makes a person stronger and more enduring. Teaching children such methods of maintaining their body is necessary from the very early childhood, explaining what immunity and immune system are. The abstract in this case is an excellent assistant. Also as an auxiliary material you can use various articles, notes of doctors.