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15 Cards in this Set

  • Front
  • Back
produced by the stomach to destroy bacteria
hydrochloric acid
enlarged bunches of lymphatic tissue that cleanse the lymph of debris and microbes
lymph nodes
white blood cells contained inside lymph nodes; destroy pathogens
lymphocytes
carry lymph throughout the body
lymph vessels
the lining of the body cavities and passages that open to the outside; contains mucus and cilia that trap microorganisms and other pathogens, and prevent them from entering the body
mucous membranes
secreted by sweat glands; contains lysozyme that destroys bacteria
perspiration
lumph nodes in the lower part of the small intestine that cleanse the digestive system
Peyer's patches
a shield that protects the body from invasion by harmful organisms; invaders can enter this organ only when it is damaged
skin
the largest lymph organ; cleanses the blood of dead cells and microbes
spleen
a gland in which white blood cells mature
thymus
lymph nodes at the back of the throat; act as barriers to bacteria and viruses
tonsils
special proteins, produced in the white blood cells of lymph organs; provide immunity to particular substances
antibodies
disease-causing bacteria and viruses
pathogens
microscopic organisms
microbes
the body's ability to resist or protect itself against disease
immunity