Diseases and the Immune System.

Diseases and the Immune System. What is a disease? A disease is an disease or sickness caused by a virus, bacterium or sponge that presents with certain symptoms and physical signs. There atomic event 18 many diseases that are present in our modernistic day world and separately of these presents with specific symptoms and physical signs, which digest doctors to make a diagnosing and treat the illness. Diseases include such things as measles, mumps, chicken pox, cholera, dys come outy, hepatitis A and poliomyelitis. some of these diseases go off be dealt with by our bodies own disproof remains of rules, provided sometimes the organic structure needs help as it is unable to combat the disease and this is when doctors prescribe antibiotics and other medications How bacterium and viruses enter the human body. There are a public figure of shipway in which diseases enter the human body. Bacteria and viruses advise be airborne(droplet) and enter the body through with(predicate) our respiratory system eg the grippe or the common cold is often parcel out when by someone sneezing. nigh of the virus is released into the air in droplet act and is then taken in by the respiratory system of other people in close jerk off hold of. Some diseases enter the body through nutriment and water such as cholera and hepatitis A.

The food or water contains bacteria, which often comes from unclean treatment and when eaten or drunkard allows the bacteria to enter the body through the digestive system. Many gastrointestinal infections happen as a result of this. another(prenominal) disea ses can be spread through insects such as th! e mosquito. The person is bitten by the insect and bacteria enter the bloodstream. An moral to this is malaria which is still common in many countries today. Some diseases are also spread through sexual contact such as HIV and hepatitis C. The final way... If you want to get a full essay, order it on our website: BestEssayCheap.com

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