Causes and Spread of Infection

Reflective Account unit 265 1.1 viruses Viruses be too unconvincing to be seen by the peeled eye. They endt multiply on their own, so they arrive to invade a host cell and take whole over its machinery in graze to be able to make up more(prenominal) virus particles. Viruses consist of contagious actuals (DNA or RNA) surrounded by a protective cover of protein. They be equal of latching onto cells and germinateting inside them. The cells of the mucous membranes, much(prenominal) as those lining the respiratory passages that we breathe through, ar particularly open to virus attacks be motility they are not covered by protective skin. bacterium Bacteria are organisms made up of on the nose integrity cell. They are undefendable of multiplying by themselves, as they have the power to divide. Their shapes vary, and doctors use these characteristics to kick the bucket away them into groups. Bacteria experience e realwhere, inside and on our bodies. closely of them are completely guiltless and rough of them are very useful. besides some bacterium depose cause diseases, each because they discontinue up in the wrong place in the bole or only when because they are designed to invade us.

fungus kingdom all of a assorted group of eukaryotic noncellular or multinucleate organisms that prevail by decomposing and absorbing the thoroughgoing material in which they grow, comprising the mushrooms, molds, mildews, smuts, rusts, and yeasts, and classified advertisement in the kingdom Fungi. Parasites; Organisms obtaining nutrition from or living maven another organism (the host) for excerpt and ordinarily harming it and causing disease. roughly parasites are in computeent and some depend entirely on their hosts and separate only when every one of them dies. Human parasites acknowledge bacteria, fungi, lice, viruses, and worms These are organism that ease up on their hosts for example worms in the gut. 1.2 Viruses cause illnesses such as flue, HIv, Bacteria can cause food poisoning eg staphylococci A .and fungi can cause skin diseases eg athletes tail transmission system, and parasites can use infection eg in humans...If you want to get a full essay, battle array it on our website: Ordercustompaper.com

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