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IMMUNITY IN HUMANimg Immune System Video, enter body and stimulate immune…
TYPES OF IMMUNITY
- Immunity is the ability of an individual to protect themselves from being infected by pathogens
- The individual has enough antibodies and capable of producing adequate antibodies against the pathogens that enter the body
- Active immunity and Passive immunity
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• A virus that attack human immune system is called human immunodeficiency virus (HIV). any infection will cause Acquired
Immunodeficiency Syndrome (AIDS) Link Title
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•An AIDS patient will be easily infected by other disease because of the progressive destruction of the individual's immune system
•Although HIV has been actively attacking the immune system, the individual that has been infected won't shows any symptoms for the first few years. Symptom of an infection will only shows up after 8 to 10 years after getting infected. symptom of disease include chronic diarrhoea and fungi infection
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▪︎Antibodies coagulate the pathogens and make them an easy target to be trapped and
destroyed by phagocytes
examples: bacteria , viruses and parasites
▪︎Antibodies react with dissolved antigens
to form an insoluble complex (precipitate) that
is easily destroyed by phagocytes
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• found in secretion of tears , nasal mucus
and saliva
• antimicrobial protein that dissolve and destroy
some bacterias
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• physical defence that prevents entry of pathogens
as it is tough and difficult for microorganisms to penetrate
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Immediate response that destroys and neutralises harmful actions of microorganisms and toxins at the early stages of infection
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