WHITE BLOOD CELLS Essay -- essays research papers fc

White Blood CellsBacteria exist everywhere in the surround and have continuous access to the ashes through the mouth, nose and pores of skin. Further more, many cells age and die daily and their remains must be removed, this is where the colour blood cell plays its role. According to this quotation, without white blood cells, also known as leukocytes, we would not be able to survive. White blood cells are our bodys number one defense against infections. They help keep us clean from foreign bacteria that enter our bodies. Statistics show that there are tailfin to ten thousand white blood cells per micro liter of blood, however this number will increase during an illness. White blood cells can differ in many ways, such as, size, shape and staining traits. There are five different kinds of white blood cells that fall into two separate categories. One stratum is called, granular leukocytes, and the other is called agranular white cells. There are three different types of granular leu kocytes. Neutrophil is a phagocyte, produced in the bone marrow that ingests and destroys bacteria extremely fast. Neutrophil has a diameter, which is, about ten to twelve micrometers long. They make up about 60-70 percent of the total number of white blood cells in our body. Eosinphil is a type of white blood cell that secretes poisonous materials in order to kill parasites, allergies and phagocytosis of bacteria, which is when the...