Immune system

Immune System

The immune system plays a very important role in the functioning of our bodies. The basic function of our immune system is preventing the growing and spreading of cancers, as well as attacking and fighting invading pathogens. The immune system does this by neutralizing their toxins. The immune system is a two-part defense mechanism. It […]

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The Specific Immune System

The immune system has evolved a complex network of checks and balances that can be categorised as innate and learned immunity. Everyone is born with innate (natural) immunity. The components of the immune system involved in natural immunity are macrophages, neutrophils (a large white blood cell (leukocyte) that ingests antigens and other substances), and complement […]

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Cloning – to ban or not to ban

Throughout life, scientists have engineered, manufactured and cloned mice, sheep and monkeys raising matters as to whether humans may perhaps be next. The next stage for most researchers today is human genetic engineering, or therapeutic cloning which requires a human embryo either from aborted babies or the umbilical cord at birth and taking its stem […]

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Immunization

Immunization, the practice of inducing immunity (especially to infection) in a person or animal. This is usually achieved by vaccination, in which a vaccine (a preparation containing antigens) is used to stimulate the production of antibodies and therefore induce active immunity. The vaccine is usually administered by injection, and generally contains either live but attenuated […]

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Immunization

Immunization, also called vaccination or inoculation, a method of stimulating resistance in the human body to specific diseases using microorganisms-bacteria or viruses-that have been modified or killed. These treated microorganisms do not cause the disease, but rather trigger the body’s immune system to build a defense mechanism that continuously guards against the disease. If a […]

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Outline and Evaluate Research Into the Relationship Between the Immune System and Stress Related Illness

The main function of the immune system is to protect the body from infectious agents such as viruses and other toxins. The immune system can fail us in two ways-either by becoming under-vigilant, letting infections enter the body, or over-vigilant, so that it is the immune system itself, rather than an infectious agent that causes […]

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The Deadly AIDS Kills in Haiti

Haiti has a generalized HIV/AIDS epidemic. It has the largest epidemic in the Caribbean, where about three-quarters of HIV-positive people live in Haiti or the Dominican Republic. Some people believe that AIDS and HIV are a death sentence. Some believe that it’s best not to know, and some find out and never respond. AIDS and […]

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Nanotechnology: Immune System and Nanobots

Neone used nanotechnology to build little robots (called “nanobots”) that could make copies of themselves. Discuss whether or not you believe the nanobots would be alive. Explain why or why not? I think that with the way technology is advancing that it is a possibility that nanobots can be evolve as small micro machines but […]

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Dendritic Cell-Based Immunotherapy

DC are the professional antigen-presenting cells (APC) of the immune system that instruct and control the activation of B and T lymphocytes, the mediators of specific immunity (Almand et al. , 2000). DC are highly mobile cells and by their sequential migration from peripheral tissues to lymphoid organs they serve as sentinels of the immune […]

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Importance of childhood vaccination

All babies are born with a small natural immunity to disease, but vaccination/immunizations offer important complementary defense against serious infectious diseases. Infectious diseases are also the leading cause death and disability in children. For hundreds of years, beginning with Edward Jenner’s research, scientists have sought to intervene to prevent the spread of infection by inducing […]

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