|MadSci Network: Immunology|
Yes indeed, certain kinds of white blood cells called “neutrophils” are very good scavengers. They can go out of the bloodstream to attack bacteria if you happen to cut yourself and get an infection. They will kill the bacteria and clean up the mess. Go to: http://www.cellsalive.com/ouch1.htm To see some nice film clips about this
Try the links in the MadSci Library for more information on Immunology.