Getting to know the Immune System

Information about the immune always to the fore when it comes time weather changes. Erratic weather causing germs hang around and easily transmitted to many people. People with good immune system less likely to be infected with the disease.
Actually, what is the body’s immune system? National Institute of Allergy and Infectious Desease mention that the immune system is a network of cells, tissues, and organs that work together to maintain the body against foreign invaders attack. Invaders are microbes, tiny organisms like bacteria, parasites, and fungi that cause infection.
The human body is the ideal environment for many microbes. The immune system is working to keep the tiny organisms do not enter into the natural body. When the organism gets in, will hinder the body’s immune system and destroy them.
Skin is a microbial barrier to entry into the body. The skin of the wounded into the path of entry for microbes. Microbes can also enter through the respiratory and digestive tract. However, digestive and respiratory systems actually have their own protection from foreign invasion. Microbes that enter through the nose causes nasal mucus protection and sneezing or coughing to remove microbes. Have a strong stomach acid that kills pathogens ingested with food.

Fighting disease
When microbes managed to survive against natural defense system, they must find the way to the wall of the digestive tract, respiratory, or urinary tract. Channels are lined by cells epitalial very tightly in a layer of mucus. Layers were still effectively inhibit the movement of pathogens to enter the cell layer deeper. Mucus layer also issued a special type of antibody called LGA. In many cases this is the first type of antibody that face microbial attacks. Under the epithelial layer there is a lot of immunity, including the macrophages, B cells, T cells are waiting for all types of microbes that pass through the barriers that exist on the surface.
Furthermore, microbial attackers must break through a series of defense in the immune system that is ready to attack regardless of specific antigen markers. Phagocytes including a vigil. Natural killer T cells.
Microbial who escaped from a natural barrier would then face a special weapon of the immune system that is prepared for them. These weapons included among which are antibodies and T cells are equipped with a single receptor structure that makes them recognize and interact with the target destination.

Immune due to vaccination
Organs of the immune system are located throughout the body. These are called lymphoid organs because it is home to lymphocytes, white blood cells that play a key role in the immune system.
People who successfully recover from the plague would not be infected again because it was granted immunity. This happens because some of the activated T cells have a memory cell. Memory cells to make sure the next time someone exposed to the same antigen, the immune system is ready to destroy it.
Immunity can be strong or weak depending on the type of antigen is encountered, the number of antigens and antigen accessible route into the body., Immunity is also influenced by genes inherited from parents. When faced with the same antigen, some people will respond with a strong or weak. Some do not even respond.
A person who is vaccinated, the disease attacks the immune system already weakened and get ready for similar attacks mirkoba contained in the vaccine. That way, people are vaccinated become immune to the microbes. Vaccination remains the best way to prevent infectious diseases and has recorded safe

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