6B+Immune+System

= = = = =  The immune system is one of the most important systems in your body. The primary function is to [|protect the body] from any type of invaders and get your body to fight it. Some ways you are protected is by the three lines of defense. The first is the skin to keep those germs out of the body. The second is the stomach, which makes acids that kill germs. The third is the mouth that has saliva that has chemicals that kill germs. Keeping that immune system healthy and away from diseases is vital. = 
 * There are a few diseases that can be harmful to the immune system. The first is HIV. This disease kills your T cells, which are a major part of the immune system because it fights different types of sicknesses. AIDS is the effect after HIV after you don’t have a certain amount of T cells. AIDS is deadly and only has treatments but no type of cure. It is of great importance that you don’t get HIV so you can have a healthy immune system.

There are many ways to keep [|the immune system healthy]. It is crucial that you keep yourself, and the immune system healthy so you can live a long and active life. One thing that you can do is wash your hands, it is crucial that you wash those germs down the drain so you can avoid germs getting into your body getting sick. Also it is important that you take caution with food that may have germs and bacteria, food poisoning can make you vary sick. Another easy way of staying is vaccinated. It protects you from certain germs by getting your body to fight fake germs that looks like a real one. If you get the real germ your body will be able to fight it easily. Last but not least avoid contact with germs by covering any cuts in skin to keep germs out. The immune system is very cool so is how it interacts with other systems.**

=== The immune system is made of a variety of fighting cells. Some of them cells are called lymphocytes, leukocytes, neutrophil, macrophages, and phagocytes. All these cells do different things do different things. For example leukocytes destroy germs, lymphocytes recognize previous invaders and make antibodies to destroy germs. Macrophages are like trash disposals, they clean up when you are sick and eat germs with their zapping chemicals. Phagocytes chew up any type of invading germs, neutrophils are cells with chemicals that destroy germs. All these cells work together and so do the organs in the immune system. ===
 * The immune system interacts with other systems in a very cool form. The immune system sends chemical messages to other systems, like the skeletal system, the skeletal system has bone marrow and it produces a variety of cells. The immune system also interacts with the circulatory system because it has the cells that defend your body and the circulatory system pumps blood. The immune system interacts with almost all of the system because if one of your systems are are sick or have a infection, virus etc. it fights it and gets to work on eliminating the sickness from the body. The immune system is in six parts of the body. The immune system is in the liver, lymph nodes, spleen, bone marrow, thymus and the blood stream. Your immune system is so awesome and so are the cells that help you stay healthy.**

===Organs that are part of the immune system are lymph nodes, thymus, spleen, and liver. All of these organs do distinct jobs. The lymph nodes are in different areas of the body and catch viruses, bacteria and other strange things that your body doesn’t recognize. The spleen is involved in producing and removing blood cells. The liver filters the blood and if it seems to notice something strange it gets the body to fight it. The thymus makes mature leukocytes or T cells for the immune system. The tissues of the immune system are bone marrow and blood. Bone marrow is a substance within the bones, its job is to make a variety of white blood cells for the body. The immune system has many components and we couldn’t live without it, the job of the immune system is vital thank goodness we have it to protect us and keep us strong and healthy. ===

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