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Exploring the Immune System: Facts and Functions

Discover the intricacies of the immune system, from natural to artificial immunity, active to passive responses, and the role of environmental factors. Learn how laughter and more influence your immune health!

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Exploring the Immune System: Facts and Functions

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  1. IMMUNE SYSTEM By : Meribeth Hogg, Emily Ann Bennett, Haley Cox

  2. PICTURES

  3. QUICK SUMMARY • Immunity can be either natural or artificial, innate or acquired=adaptive, and either active or passive. • Active natural (contact with infection): develops slowly, is long term, and antigen specific. • Active artificial (immunization): develops slowly, lasts for several years, and is specific to the antigen for which the immunization was given. • Passive natural (transplacental = mother to child): develops immediately, is temporary, and affects all antigens to which the mother has immunity. • Passive artificial : develops immediately, is temporary, and affects all antigens to which the donor has immunity.

  4. FACTS • are four phases of an immune response: recognition, amplification of defense, attack and suppression. • The body has over 50 million white blood cells that work to protect the body's defense system. • Laughter increases the amount of natural killer cells which destroy tumors and viruses, lowers blood pressure, and increases oxygen in the blood. • The environment plays an important role in affecting our immune response. Toxic substances, air pollution, pesticides and second hand cigarette smoke affects the defense system of our body • Your tongue is germ free only if it is pink. If it is white there is a thin film of bacteria on it.

  5. SITE NOTATION • facts - http://www.buzzle.com/articles/immune-system-facts.html • Quick summary - http://www.uhaweb.hartford.edu

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