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This body system allows you to recognize and get rid of PATHOGENS (things that cause disease).
Terms in this set (16)
Human body system that recognizes (sees), marks and destroys pathogens
Anything that can cause disease (make you sick). Bacteria, parasites, fungi, protists and viruses are examples.
Living, single celled organism that causes disease. Can be killed by antibiotics.
A medicine that kills bacteria and other living cells. DOES NOT KILL VIRUSES!
DNA surrounded by protein - causes disease. Cannot be killed by antibiotics.
White Blood Cell
Immune system cell that makes antibodies and destroys pathogens and infected cells by engulfing (eating) them
Proteins on the outside of the cell that the immune system uses to tell the difference between good body cells and pathogens
Proteins made by the immune system to identify pathogens, stick to the antigens on pathogen cells.
Made of dead or weakened pathogens or their antigens to prevent (stop) a person from getting sick. A version of dead or weak pathogens is put in the person's body where the immune system learns to recognize the pathogen and the WBC make the antibodies. When the person gets the real pathogen (not dead or weak) the immune system already has the antibodies and you don't get sick.
- a type of white blood cell that helps defend the body by engulfing and destroying bacteria and other invaders
white blood cell that provide a direct attack on pathogens, and signal other white blood cells
Cells manufactured in the bone marrow that create antibodies for isolating and destroying invading bacteria and viruses.
Primary Immune Response
Immune response the first time the body is exposed to a specific antigen. Response is long and can result in illness.
Secondary Immune Response
Immune response after the body has already been exposed to a specific antigen. Response is faster, of greater magnitude, and more prolonged.
the ability of bacteria to withstand the effects of an antibiotic
Changes in the DNA of an organism which can result in genetic diversity and may lead to evolutionary changes
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