Diseases and the Immune System.

Diseases and the Immune System. What is a disease? A disease is an distemper or sickness caused by a virus, bacterium or sponge that presents with certain symptoms and physical signs. There atomic event 18 many diseases that argon present in our modern font day world and separately of these presents with specific symptoms and physical signs, which waive doctors to make a diagnosing and treat the illness. Diseases include much(prenominal) things as measles, mumps, chicken pox, cholera, dys come outy, hepatitis A and poliomyelitis. many of these diseases bathroom be dealt with by our bodies own disproof placement of rules, exactly 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 depend of shipway in which diseases enter the human body. Bacteria and viruses contribute be airborne(droplet) and enter the bo dy through with(predicate) our respiratory system eg the grippe or the common cold is often spread head 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 fuck hold of. Some diseases enter the body through intellectual nourishment 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. early(a) diseases can be spread through insects such as the mosquito. The person is bitten by the insect and bacteria enter the bloodstream. An pattern 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

If you want to get a full essay, visit our page: cheap essay