• Free Essays

    Ethical Dilemma Essay on Abortion

    The problem of abortion has been discussed for a long time and still there is no common opinion whether abortion is right or wrong. As long as the abortion is considered as killing of a living being it will be a hot topic of the dispute. Acuteness of this problem raises no doubts because in our days a lot of women get in situations when they have to make a difficult choice – to give a birth to a small creature, rising inside of them or to make an abortion.

  • Free Essays

    Essay on Neurotransmitters

    Neurotransmitters are “are chemicals that are used to relay, amplify and modulate electrical signals between a neuron and another cell” (Wikipedia, 2006). They help to convey information through the movement of chemicals through the synapse. Released at the presynaptic nerve terminal, they arrive at the synapse to be received by the neuron at the place named receptor. When the receptor is activated, the next step is “either depolarization (an excitatory postsynaptic potential) or hyperpolarization (an inhibitory postsynaptic potential)” (Washington University, n.d.). When the substance has had its effect, it is absorbed into the enzyme through the process called uptake or reuptake. In this way, the neurotransmitter is inactivated. By exciting…

  • Free Essays

    Corpus Luteum Essay

    Normally, in the ovary the corpus luteum secrets steroid hormones (estrogen and progesterone), which are responsible for endometrium thickening as well as its development and maintenance. It is one of the most important roles that corpus luteum actually plays. If the implantation does not take place the secretion of progesterone stops (normally it happens in 12 days) and corpus luteum decays. Corpus ablicans is the result of that degradation and it is in fact a fibrous scar tissue. Afterwards it is expelled through the vagina. The entire process in big mammals is referred too as menstruation. However, if fertilized, the embryo starts secreting the HCG (human chorionic gonadotropin). Corpus luteum…

  • Free Essays

    Persuasive Essay about Organ Transplant

    Bradley is almost three. Just a usual kid with golden hair and big gray eyes. He likes sweets and baseball. People who see Bradley walking with his parents in the street turn their heads and sigh enviously. “Little angel” – they say. He makes laugh all the people around him when he copies Michael Jackson’s moonwalk or calls himself a Spiderman and promises to save the world. But tears appear on the eyes of his mother Catherine when she watches her carelessly playing child and even Martin, Bradley’s father would quickly leave the room for his wife not to notice the tears which appear in his eyes. There is a…

  • Free Essays

    Essay: Reasons for Considering a Transfer

    In our life we have to make choices that may have far reaching consequences that can change our life completely. One of such choices I am on my way to make is the choice of the college I would lie to attend and where I would like to develop my skills and abilities to a possibly higher level. To put it more precisely, currently I am thinking about transferring to Tufts which as I know is the best school in study nutrition in the United States. Naturally, I have my reasons to make such a choice and such an important decision can change my entire life. Nonetheless, currently I am…

  • Free Essays

    Essay about Productivity

    Traditionally, productivity is associated with economic terms which refer to the idea of commercial effectiveness of the performance of an organization or an individual. However, today, the concept of productivity may be enlarged consistently and refer not only to the economic field but also to the field of an individual health and lifestyle at large. In this respect, it is possible to refer to the concept of productivity in the context of training in a fitness center, where productivity refers not only to the commercial performance of a fitness center, but, in contrast, it is mainly associated with the effectiveness of training and its impact on the health and physical…

  • Free Essays

    Genetics Essay Example

    1. Introduction. This essay paper investigates the mtDNA and Y chromosome DNA and their function in genetic studies of men and women. Besides, it analyzes the human movement and some aspects of human cultural systems. 2. “Tracking the sexes by their genes.” In the nucleus of nearly all human cells, there are 46 small structures that are called chromosomes. These chromosomes are made up generally of deoxyribonucleic acid (DNA). DNA contains the genetic instructions which make people the way they are. These genetic instructions are written in a four-letter chemical alphabet: A (adenine), T (thymine), C (cytosine) and G (guanine). Researchers can just find a use for about 3% of…

  • Free Essays

    Free Essay on Medical Errors

    When a fitter makes a mistake due to his incompetence while fixing a car it is awful but he is risking the vehicle of a customer which costs money, but it does not bring any tragedy. When a teacher makes an error while teaching the student he is risky to prepare an ignorant engineer, who at least will have to realize his ignorance in his future career and correct the lack of knowledge by self-education. When a doctor commits a mistake, he is risking the utmost value, the health and the life of a person who entrusted his life to a doctor. While analyzing the nature of the errors in…

  • Free Essays

    Physical Disability Essay

    Physical disability is the disability type that is directly connected neuromotor, orthopedic, pulmonary and cardiovascular disorders. Children with such limitations can have either neuromotor or orthopedic impairment. Orthopedic impairments include problems with skeleton system. Neuromotor disabilities, in their turn, include problems with the central nervous system. Health impairments influence the performance of a child very much. His school behavior and performance are different from those of the healthy child. Such child can be less attentive, easily distracted, do not able to do particular tasks, get tires very quickly, have limited alertness. Health problems that influence the performance of a child involve heart problems, nephritis, asthma, hemophilia, epilepsy, lead poisoning, leukemia,…

  • Free Essays

    Free Essay on Euthanasia

    I would like to start by saying that in the modern world medicine had made tremendous advances that allow us to save people from the most serious illnesses, let alone keep them alive as much as possible. Life-support systems allow doctors to keep terminally ill patients alive for an extended period of time, and this is exactly when one starts to think about the rationality of the medical ability to keep all patients alive. In the following essay I will argue that we should not keep all the patients alive and let terminally ill patients die. In other words, I will argue pro euthanasia in certain cases discussed further in…