White+Blood+Cells+-+CN

=1. Introduction= toc You're in a line for a ride at your favorite amusement park when all of a sudden someone sneezes on you you try to cover your mouth, but some germs get in. Do you wonder how to get them out. That is when white blood cells come in handy, they are your superheroes. You have the commander which in this case is the T cell the producer which is the B cell that produces antibodies which are your soldiers. The only down fall in these fighters plan is that this germ is lasting more than 10 minutes in the white blood cell and is killing them. You don't need to worry white blood cells are being produced by the second and are using their unique body to slip through the small blood vessels and will destroy your germ. White blood cells are so important for the body. Did you know we wouldn't have vaccines if we did not have white blood cells because vaccines are based off white blood cells and need them for it to work.

=2. Different Types=

There are two main different types of white blood cells the **T cells** and the **B cells**. The T cells are the ones who alert the system can recognize each pathogens. B cells produce proteins to help destroy germs or pathogens these proteins are called antibodies each B cell produces only one kind of **antibody**. Antibodies are like the destroyers they take the information from the T cells on how to destroy the germ and how to do it. They get enclosed in a bubble made of the same stuff as the cell membrane. There are also the **macrophages** they are the ones who just eat the germ. The types work together like a police station in are world first a call of alert and then the officers who come and arrest. Some of the other ones are: **N** **eutrophils**, which mostly fights bacteria, **Eosinophils** help with mechanisms related to Asthma (A lung disease that inflames and narrows the airways, and **P** **hagocytes** cells that eat up threatening organisms.

=3. Functions And Parts=

White blood cells have many parts, to start all of them have a **nucleus**. A nucleus is a command center it orders around and saves important information. **Pseudopods** are the white blood cells steering coarse, they also can produce a sticky solution to trap the germ. White blood cells produce pseudopods. Next is the **cell membrane** its like a gatekeeper it lets the good guys in like proteins and keeps the bad guys out in this case its the germs. But sometimes the germs can fool the cell membrane and disguise itself to get in. The **vacuole** stores food for the white blood cells. white blood cells have long arms to trap the germ or push it into the side of a blood vessel.



=4.How Do Vaccines Work?=

Before making a **vaccine** you have to know how the immune system defends itself against germs. A vaccine is a substance that simulates the production of antibodies. Vaccines use the same principles that the body uses to defend itself. Scientists use vaccines to trigger the body's immune system. There are many different kinds of vaccines, one type of vaccine is a **live pathogen or germ**. This pathogen is weaker and tamer. Next there is the **inactive vaccine** in which the pathogen has been killed but still triggers an immune response to teach the body how to destroy that pathogen. People with weaker immune systems can have those vaccines. Lastly there is the **sub unit vaccine** which is made from only one part of the pathogen a antigen these can prompt specific responses. Even now scientists are making dna vaccines to instruct the cells and prepare for future threats.

=6. Why Do We Get Sick When We Have White Blood Cells= Have you ever wondered why we even get sick if we have white blood cells. Well sadly at one point a white blood cell will die. Most white blood cells die from the yellowish pus found in a infection. A sight of there death may represent in a cold or other sickness. Also a white blood cell may not be able to catch a term or destroy it thats how you get sick some things like cancer are hard to defeat though because they are able to live more than 10 minutes once cached they then end up destroying the white blood ce ll. White blood cells will also die from drugs, Autoimmune disorders, and Congenital disorders.

=7. Conclusion= White blood cells are extremely important to the body you need them to survive. They stop sickness and bad things going into the body. By now you should know their importance and how amazing they are with their shape shifting body and long arms to trap the germ and how the many different kinds of them T cells, B cells, antibodies, N eutrophils, Eosinophils, and  P hagocytes all work to destroy pathogens and lastly how we wouldn't be able to have vaccines without them to save the body.

=8. References= Britannica Kids. “macrophage.” Britannica Kids. International Publishing, n.d. Web. 23 Jan. 2015. . Burnie, David. Microlife. New York: DK, 1997. Print. “The Immune System - in More Detail.” Nobelprize.org. NobelMedia, 8 Nov. 2004. Web. 19 Dec. 2014. . Padilla, Michael J., et al. Prentice Hall Science Explorer. Boston: Pearson, 2009. Print. Weebly. “Blood and the Cardiovascular System.” Blood and the Cardiovascular System. Weebly, n.d. Web. 23 Jan. 2015. 