Mustang Marine. As a prior enlisted Marine, our favorite officers were the mustangs. All that term means is prior enlisted. The reason a lot of people prefer them to fresh new butterbars out of college is that the mustangs have experience as an enlisted and, now, usually in war time scenarios.
What causes disease? Injury, infection or an unhealthy lifestyle can all make you ill. So can your genes, the instructions that tell your body how to make all the different proteins it needs to survive and grow. A change in a gene may cause a change in a protein, affecting the way it works in your body. Some genes are involved in common illnesses, while others cause rare genetic conditions.
Infectious diseases are caused by small microbes invisible to the eye. The microbes include bacteria, protozoans, fungi, yeast and virus. Of them bacteria and protozoans are the most common disease causing agents.Bacteria cause disease both in plants and animals.iseases caused by bacteria; Bacteria causes wide set of diseases by deranging the host physiology. courtesy:wikicommons. Most of the diseases caused by bacteria are life threatening and also damaging to the affected organ. Once infected the common symptoms like fever, weakness are observed by the host.