Causes and Spread of Infection

Reflective Account unit 265 1.1 vir applys Viruses be too flimsy to be seen by the naked eye. They endt multiply on their own, so they have to use up a host cell and take wholly over its machinery in order to be able to deliver more(prenominal) virus particles. Viruses consist of genetic actuals (DNA or RNA) surrounded by a protective coat of protein. They be equal of latching onto cells and acquiring inside them. The cells of the mucous membranes, much(prenominal) as those lining the respiratory passages that we breathe through, argon particularly open to virus attacks be event they be not covered by protective fell. bacterium bacteria argon existences made up of just integrity cell. They are capable of multiplying by themselves, as they have the power to divide. Their shapes vary, and doctors use these characteristics to break away them into groups. Bacteria exist everywhere, inside and on our bodies. Most of them are completely harmless and some of th em are very useful. besides some bacteria can cause diseases, either because they discontinue up in the wrong fanny in the bole or simply because they are designed to invade us.

Fungi all of a diverse group of eukaryotic single-celled or multinucleate organisms that live by decomposing and gripping the organic material in which they grow, comprising the mushrooms, molds, mildews, smuts, rusts, and yeasts, and classified in the estate Fungi. Parasites; Organisms obtaining nourishment from or living one another organism (the host) for survival and ordinarily harming it and causing disease. Some para sites are in computeent and some depend enti! rely on their hosts and separate alone when either one of them dies. Human parasites include bacteria, fungi, lice, viruses, and worms These are organism that feed on their hosts for example worms in the gut. 1.2 Viruses cause illnesses such as flue, HIv, Bacteria can cause food poisoning eg staphylococcus A .and fungi can cause skin diseases eg athletes foot infection, and parasites can use infection eg in humans...If you privation to get a full essay, order it on our website: OrderCustomPaper.com

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