Harmful Threats to the Human Body

Topics: Bacteria, Skin, Escherichia coli Pages: 2 (742 words) Published: April 18, 2013
Harmful Threats to the Human Body

There are a lot of bacteria that are good for human bodies, but there are also a lot of bacteria that’s very harmful to the human body. Bad bacteria can affect people from swimming in lakes and ponds. “Many of the world's best-known disease outbreaks have been transmitted by water-borne bacterium.” Lakes and ponds are just un-treated drinking water. They have a lot of microorganisms in it that you cannot see. There are many ways to be contaminated by bacteria; you can swallow it, breathe it in, or they can get in an open wound. Being contaminated can cause skin infections, ear infections, eye infections, diarrhea, and respiratory infections. Langerhans cells and macrophages defend against microbes. Anyone can be infected by bacteria and there doesn’t have to be a lot of it in order to be infected. Vibrio cholera is a bacterium that causes cholera outbreaks around the world. Cholera isn’t common in the U.S. anymore but you should be careful when visiting out of state. Another bacterium found around the world is E. coli O157:H7. It produces a bloody diarrhea. It’s also a part of food contamination. It doesn’t take many organisms to get infected by this. Children and elderly are at high risk of severe illnesses. E. coli O157:H7 is even found in swimming pools.

Leptospirosis is commonly transmitted by water contaminated by animal urine or soil that comes in contact with open wounds. It can either be barely noticeable or it can cause severe muscle pain. There are many different kinds of bacteria that can have a bad effect on the human body, especially in lake waters.

A lot of people think that there is no way for your body to overheat, because of sweat. They think that sweating cools your body down so that it is impossible to overheat. That is wrong. If you get too hot too fast, your body cannot work fast enough to cool down. And if your body doesn’t eventually get cooler you can have a heat stroke or die. Lipid secretions...
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