Immune System Flashcards
includes lymphoid organs such as thymus, spleen, tonsils, and bone marrow, the skin & specialized cells
immune system
defense that is activated immediately and is the same whether or not the pathogen has been encountered previously
innate immunity
receptors that recognize features of a certain pathogen and develop an immunity against it
adaptive immunity
purpose of lymphatic or immune system
remove infectious diseases and other pathogens from the human body
also called the integumentary system
body’s first line of defense
skin
recognize disease agents (antigens) and create antibodies to tag and remove these antigens
white blood cells
white blood cell type that actually EAT AND DESTROY these antigens
phagocytes
help restore fluid lost by the blood and return it to the circulatory system
lymph nodes
produces and stores white blood cells
spleen
site of white blood cell maturation
thymus
located in the back of the nasal cavity
keep body healthy by trapping harmful bacteria and viruses that you breathe in and swallow
adenoids
stop germs from entering the body thru the mouth or the nose
tonsils
help get rid of the body of toxins, waste and other unwanted materials
lymphatic vessels
monitoring intestinal bacteria population and preventing growth of pathogenic bacteria in the intestines
peyer’s patches
produces red blood cells, platelets and white blood cells
bone marrow
