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Immune System

are a type of leukocyte or white blood cellsconsume foreign particles, thus protecting the body from infections. Monocytes
are produced in the bone marrow and circulate in the blood, are a type of white blood cell Neutrophils
a phagocytic tissue cell of the immune system that may be fixed or freely motile, is derived from a monocyte macrophages
is one of the four types of tissue in traditional classifications Connective tissue
nanoids, nanites, nanomachines or nanomites have also been used to describe these devices currently under research and development nanobots