Ground nesting bees in your backyard! Ground nesting bees in your backyard! Not all bees live in hives like honey bees do. In fact, 70% of all the 20,000 species of bees nest under ground. In North America, most of these ground bees become active in early spring.
Monocytes share the vacuum cleaner (phagocytosis) function of neutrophils, but are much longer lived as they have an additional role: they present pieces of pathogens to T cells so that the pathogens may be recognized again and killed, or so that an antibody response may be mounted.
Monocytes are the biggest type of white blood cell in the immune system. Originally formed in the bone marrow, they are released into our blood and tissues. When certain germs enter the body, they quickly rush to the site for attack.