The Band Test. The back and front of your bra band should be level and parallel to the floor when you look at yourself from the side in a mirror. If the band is too tight, digs into your flesh or is just plain uncomfortable, it's too small.
Scanning electron micrograph of a phagocyte (yellow: neutrophil) engulfing some bacteria (orange: anthrax bacilli). Phagocytes are the white blood cells that protect the body by eating (phagocytosing) dirt, bacteria and dead or dying cells. They are important for fighting infections.
Macrophages develop from white blood cells called monocytes. Monocytes are the largest type of white blood cell. They have a large, single nucleus that is often kidney-shaped. Monocytes are produced in bone marrow and circulate in the blood anywhere from one to three days.acrophage Phagocytosis. Phagocytosis allows macrophages to get rid of harmful or unwanted substances in the body. Phagocytosis is a form of endocytosis in which matter is engulfed and destroyed by a cell. This process is initiated when a macrophage is drawn to a foreign substance by the presence of antibodies.