Monday, February 17, 2020

Brain eating amoeba Essay Example | Topics and Well Written Essays - 1500 words

Brain eating amoeba - Essay Example On rare occasions, individuals contract the brain-eating amoeba because of contaminated water in swimming pools or from taps. It has the ability to cause Primary Amebic Meningoencephalitis, which is a devastating and rare brain infection. The brain-eating amoeba enters the body through the nose. The amoeba then gradually moves to the brain. While in the brain, the amoeba actively destroys tissues. However, drinking water that has Naegleria cannot lead to the infection of a person. Naegleria fowleri exists everywhere in the world, as long as the environmental conditions are suitable for its existence and survival. Aside from existing in fresh warm water bodies, brain-eating amoeba exists in geothermal water, warm water that manufacturing and processing plants discharge, soil, poorly maintained swimming pools and water heaters. Both non-chlorinated and poorly chlorinated swimming pools provide suitable breeding places for Naegleria fowleri (Cajigal, 9). In addition to that, the Naegleria fowleri exist in aquariums and mud puddles. The Naegleria fowleri thrives at higher temperatures rising to 46 degrees Celsius (115 degrees Fahrenheit). This amoeba can survive for a shorter while in temperatures beyond the above mentioned. The brain-eating amoeba is absent in salt water. In the United States, the amoeba mostly affects people living in Southwestern and southern states (Animal Planet, n.p). Naegleria fowleri enters the human body through the nose during activities such as water-skiing, diving or other water sports that increase the probability of water getting into the nose (Pond, 171). Other instances recorded to have caused infections include people dipping their heads in geothermal water, commonly known as hot springs, or people cleaning their nostrils using untreated water flowing from the taps. Once the Naegleria fowleri enters the body through the nostrils, chemicals used in communication by nerve cells pull

Monday, February 3, 2020

Metamorphosis Essay Example | Topics and Well Written Essays - 500 words - 2

Metamorphosis - Essay Example Some sort of psychological grounding will have to be found out for such an occurrence. The presence of an insect anywhere within the house, is the most unwelcome feature but Samsa is one (transformed into beetle perhaps with his own volition) and members in the household accept the fact for the reasons best known to them. The readers of the story are expected to go with the fact to enable them appreciate the developments that take place in the family consequent to the isolation of the prime member from the mainstream dispositions and activities of a normal household. Insects live a regulated life within the perimeters bestowed to them by Nature. Before his transformation Gregor lives such a life, comparatively lackluster and remains engrossed in his work. He does his best to provide for the secular necessities of the family. He has no friends circle, no hobbies that make his life passionate, and no close interaction with the family members except with his sister. Why the family does not involve him in day to day small incidents of happiness and sorrow is not explained in the story, but the fact is that he is a marginalized member and this realization intensely bothers him leading to his ‘transformation as the beetle.’ In fact, that is his mental sickness that shapes into a beetle and his cynicism is the cause for that to happen. The family expects of him to provide for them, nothing more, and nothing less. Just as an ant or the worker-bee labors without intermission for providing food for the rest of the members of the nest, Gregor carries on with his life solely for the benefit of others. His life becomes totally regimented devoid of any fun and sacrifice for others become the watchword for him. He just works, that’s all without any essential human dignity or charm. No thanks or words of gratitude for him and the family expect him to do what he does, as if it is his bounden duty. He owns total responsibility on his shoulders, for issues