The Role of Blood in Providing Immunity Against Disease

Published: 2021-06-29 07:09:54
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The Role of Blood in Providing Immunity Against Disease.IntroductionBlood plays a vital role in the immune system; it has four main mechanisms. White blood cells play a significant role. They produce antibodies and eliminate damaging microorganisms that our bodies do not recognise. Your immune structure is used to fight pathogens and it supports to keep you healthy. From time to time your immune structure can advance lymph and immune system ailments. What occurs is your immune system can develop overcharged or it can turn out to be weak chancing your bodies retort to bacteria and viruses. (UOR Medical Center, 2014). When the immune system is low, it will start to outbreak and produce antibodies, which consequences in destructive its own tissues. With an immune system that under reacts it is unable to fight things that enter the body, which leads to more infections of microscopic opponents. Pathogens they are microscopic organisms, parasites, growths or infections, they will look for any methods conceivable to fight our bodies' protections, they will enter through injuries, or through the mouth as we swallow. Once inside our bodies, they do their most extreme to develop and duplicate – with dangerous outcomes. By harming our cells or discharging their toxins, these pathogens cause a large group of diseases, from regular colds and measles to conceivably lethal conditions like tuberculosis and intestinal sickness. The immune system is a system of cells, tissues, and organs that collaborate to protect the body. One of the vital cells included are white blood cells, also called leukocytes they come in two fundamental sorts that combine to search out and destroy disease causing infections or substances. (Indge, B et al. pg. 174 (2000) [pic 1](naturalvigor.com, N/D)Main body What is a pathogen?Viruses in all individuals, plants and other creatures are triggered by micro-organisms called pathogens; these can be micro-organisms such as germs, diseases, fungi, helminths and protozoa (Inglis,1996). The time pathogen is most frequently used to pronounce a transmittable virus which interrupts the usual physiology of a multi-cellular animal or plant (Wassenaar, 2009). There are many pathogens which have been accountable for immense outbreaks of ailment, an example of this is Yersinia Pestis which was the bacteria responsible for the black plague (Harwood 1979).A pathogen is a biological specialist that provides sickness or disease in its host. The human body contains numerous distinguishing defences against some of regular pathogens, this is the human immune system. The immune system can destroy pathogens that figure out how to enter the body. Pathogens remain microorganisms that cause illness, they include microorganisms, for example, bacteria, viruses, growths and protozoa. Protozoa are single celled organisms, nutrition that is tainted with protozoa can cause harm. Malaria is an illness caused by protozoa that lives in the blood. It is transferred to an individual by a bug called the mosquito. PathogensA pathogen is a microorganism that can cause disease. Pathogens include bacterium, i.e. Bacterial meningitis virus i.e. hepatitis or fungus i.e. athletes foot [Iaff.org, (2015)] White blood cells can swallow and abolish the pathogen. One of the most joint ways pathogens are spread is through personal contact. The common cold is usually spread through saliva and the HIV virus is spread during intercourse or sharing needles. [pic 2][pic 3](Science-esl.wikispaces.com, N/D)  (Pictures of Pathogens, 2017)

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