Drugs

Objectives ldentify the instances of infectious diseases. Describe four waYs in which infectious diseases aoooooaoooooaaaoooaoooaoa O ar spread. Vocabulary a a a a a a a a o infectious disease microorganism pathogen bacteria toxin virus fungus kingdom protozoan a a o a a Myth There isnt mtich a person mountain do to avoid spreading or catching a dusty or the flu. O a O o O a o o o O a D o o o o Fact or so 80o/o of infectious diseases be spread by account book contact. Washing your hands with soap and water is a unanalyzable and effective way to prevent the spread of colds and the flu. Irffilfilltt Do you cross out most teens wash their hands as much as they should? What do you conceive of are some ways to pass on more frequent hand washing? aooaaooaoaoaaaoooooaooaoooo Causes O O a o oa of lnfectious Diseases For as long as in that respect let bee n humans, there have been infectious dis(in rEr eases. Also cognise as communicable diseases, infectious diseases shus) are fontd by organisms or viruses that innovate and multiply within the human torso.

Most disease-causing organisms and viruses are so small that they can be seen only finished a microscope. Organisms this small are called microorganisms (mykroh awn guh niz ums). non all microorganisms that enter and hot in your carcass cause disease. In fact, many are present in your body all the time. Billions of microorganisms live in your mouth, on your skin, and in your digestive tract. Microorganisms and viruses that c ause disease are called pathogens (reru uh ! junz). Pathogens do not pass in your body. Pathogens can cause an infectious disease when they enter your body and multiply. There are manykinds of pathogens. Some examples are shown in Figure 1 bacterium bacteria (bak rrpn ee uh) are simple, single-celled microorganisms. Bacteria live in air, soil, food, and in and on the bodies of plants and animals, including you. Most...If you want to get a proficient essay, order it on our website: BestEssayCheap.com

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