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Immune System. Alex Wiemann. The immune system defends the body against infection and disease-causing organisms. . Immune System. Bone Marrow : where human immune system cells are produced Thymus Gland : produces more immune system cells and lymphocytes
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Immune System Alex Wiemann
The immune system defends the body against infection and disease-causing organisms. Immune System
Bone Marrow: where human immune system cells are produced • Thymus Gland: produces more immune system cells and lymphocytes • Spleen: filters the blood using T-cells, B-cells, macrophages, natural killer cells, and red blood cells • Lymph Nodes: filters the interstitial fluid between the cells Organs of the Immune System
Antibodies are proteins produced by B-cells that identify and neutralize pathogens. • The antibodies have receptors on them that connect to antigens, which are the part of the pathogens that allow antibodies to recognize them. Recognizing Pathogens
Antibiotics only work against bacteria, not viruses. • Antibiotics interrupt metabolic pathways in prokaryotic cells. This might prevent the formation of a cell wall or the completion of cell division. • Viruses have no metabolic pathways. For this reason, antibiotics do not work on them. Antibiotics Against Bacteria and Viruses
Allergies are reactions your immune system has to substances that most people don’t react to. • Symptoms include sneezing, breathing troubles, and vomiting. • One in every five Americans is affected by allergies. • There are several over-the-counter medications available to treat allergies. Allergies
HIV is the virus that causes AIDS. HIV/AIDS weakens a person’s ability to fight cancer and disease and is transmitted sexually. • There usually are no immediate symptoms to HIV/AIDS, though some people do develop a flu-like illness. • 0.6% of American adults have HIV/AIDS. • HIV can be treated with certain medications. There is no cure for AIDS. HIV/AIDS
http://kidshealth.org/parent/general/body_basics/immune.html • http://pathmicro.med.sc.edu/ghaffar/innate.htm • http://www.buzzle.com/articles/organs-of-the-immune-system.html • http://www.differencebetween.net/science/health/difference-between-adaptive-and-innate-immunity/ • http://en.wikipedia.org/wiki/Antibody • http://www.textbookofbacteriology.net/immune.html • http://library.thinkquest.org/C004367/be7.shtml • http://www.circulatory-system.com/differences-between-b-cells-and-t-cells/ • http://ibbiology.wetpaint.com/page/Explain+why+antibiotics+are+effective+against+bacteria+but+not+against+viruses • http://www.webmd.com/allergies/guide/allergies-treatment-care Sources