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20 Cards in this Set
- Front
- Back
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antibodies |
Specific particles created by the immune system to destroy specific disease-causing invaders. (singular: anti-body) |
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antigen |
Any substance the body cannot recognize; usually a non-living particle. |
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immune system |
The body system that defends the body against infection and disease-causing substances such as bacteria, viruses, and cancer cells. |
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pathogen |
An organism or substance that can cause a disease. |
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white blood cells |
Blood cells that fight infection and help prevent the growth of cancer. |
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allergy |
An unusually high sensitivity to a substance, which causes an immune reaction. |
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vaccine |
A special version of an antigen that provides immunity against a disease. |
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infectious diseases |
Diseases that can spread by contact with infected people, animals, water or food.
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inflammation |
Swelling and redness at the site of an infection, caused by disease-fighting substances in your blood attacking the infection. |
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phagocytes |
White blood cells that fight infection by swallowing up pathogens. |
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innate immune response |
A quick, general immune reaction that all living things are born with. |
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acquired immune response |
An immune response that your body creates AFTER it has an infection. It takes a while to make, but it will be able to attack a particular invader. |
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active immunity |
Long lasting disease protection that happens because your body makes antibodies in response to an invading pathogen. |
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B-cells |
A type of white blood cell that recognizes antigens in your body and then makes specific antibodies to fight them. |
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Helper T-cells |
A type of white blood cell that fights disease by either activating B-cells |
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H.I.V. |
Human Immunodeficiency Virus: The name of the virus that causes A.I.D.S. |
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A.I.D.S. |
Active Immune Deficiency Syndrome: The disease caused by HIV that makes your immune system stop working. |
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histamine |
A chemical released by your body [in response to an injury or allergen] that causes swelling, redness, and watery eyes. |
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anaphylactic shock |
A severe allergic reaction that can result in swelling, breathing difficulty, and sometimes death. |
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killer T-cell |
A type of white blood cell that attacks antigens directly. |
