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The immune system is the system that looks after an organism, in this case our human body, from invasion by viruses, bacteria, germs, parasites, toxins and all types of pathogen microorganisms. Our immune system helps us to stay healthy by avoiding disease to spread in our body. Put simply, our immune system allows us to stay alive. The minute the immune system is overloaded or stop working properly, we become sick and may even die. The human body is an ideal ground for many germs and they sure would love to break in and attack the body. It is the immune system work to keep these germs out. But if they get in, it is also the immune system job to seek and demolish the invaders. The skin is the first obstacle these invaders encounter, which offers a good guard for the body. The skin is difficult to go through and is made of an array of substances that are risky to the germs. Cavities such as the eyes, the nose and the mouth, which appear easier to invade have some defence too. They are protected by fluids that are able to capture mean invaders. As you can see, immune systems are constantly busy and searching for pathogens that are trying to damage our body. It's a difficult task because the first thing the immune system has to do is to recognize and remember millions of different enemies. Then, it must produce the right defence such as secretions and cells to match up with and wipe out each one of them. This is done with the assistance of an elaborate communication network. Millions of organized cells get together and exchange information back and forth. Once the immune cells receive the alert, they start producing powerful chemicals. But the key to a healthy immune system is the fantastic ability to distinguish the body' s own cells and the foreign cells. This is important because without this ability the immune system can not have a clue of which organisms to assault or not. This is done with the assistance of "marker molecules". When the immune system defenders meet organisms carrying markers that say "foreign", they directly start an attack. The faster the response the better they can get rid of the germs. This website was created with the purpose to give information that could help you get at least a glimpse of the density and the extraordinary system working without rest for us, and that we do not always are aware of. By learning about our immune system it will help you to be healthier and live longer.
Article Source: http://www.articleszoom.com
About the Author : This well known writer is also a communication expert and truly takes time to provide his info with you. Find more information about your Immune System and Health,Immune System And You Secrets at his website www.immune-system-information.com . You can also visit www.systemeimmunitaire.com for the french version.
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