.... the exact method by which the plague arrived in England. But it is certain that it arrived via the ports, carried on merchant and Naval ships. However, were the infected fleas carried by the rats in the grain or bales of cloth and cotton, or on the backs of the crew, passengers or returning soldiers? Furthermore, how did the disease spread from the ports to the town and country? Via wild rodents in the countryside, by the rats and fleas in transported freight, or by the fleas on their human hosts?Although the evidence is mixed and debatable, it is suggested they all played a role. There is evidence to support that plague was caught from bag .....

.... appears when the person is born. Also, the disease is hereditary, passed on from parent to child. Because of it's genetic makeup, hemophilia is carried by females however those affected are almost always males. In one-third of all cases hemophilia thought to be caused by spontaneous gene mutation with no family history. This is how females are able to be affected by hemophilia. Inheritance is controlled by a recessive sex-linked factor carried by the mother on the X chromosome. There is a fifty percent chance that the sons of a female carrier will have hemophilia. There also is a fifty percent chance that the daughters of a female carrier will be .....

.... immediatly killed by an injection to the heart for dissection. Some people were also sent away to anatomy hospitals. One of the most desired places to be by doctors was Block 10. Block 10 was in Auschwitz and was a medical block. It meant the difference between life and death for many people in Auschwitz. There were benefits and disadvantages to being there for both the doctors and the prisoners. For a doctor it was seen as a chance to do any and all experiments they thought might be interesting. For prisoners it was a chance to live, if they were lucky. Some prisoners were taken by doctors for experiments and depending on the nature of the experiment t .....

.... is a waste product produced during respiration. Hydrogen peroxide is produced to kill off dangerous bacteria. The hydrogen peroxide is broken down, so that it can not be dangerous anymore, into water (which is given off when you perspire) and into oxygen (which can be given off when you exhale). A toxin like hydrogen peroxide must be broken down because if it is kept in the body for too long it can react with cell walls and damage them or break them down. The variables that affect the decomposition of hydrogen peroxide are: 1. The temperature of the liver 2. The surface area of the liver 3. The pH of the hydrogen peroxide 4. T .....

.... it was too delicate, too crucial to withstand the rigors of surgery. However, the innate human desire to achieve brought about the invention of the artificial heart. The potential for such inventions are enormous. According to the American Heart Association, there are between 16,000 and 40,000 possible recipients of artificial heart devices under the age of sixty-five. If perfected, it would enable us to save thousands of human lives. In considering the full impact of artificial heart devices on society, we must not narrow our thinking to include only the beneficial possibilities. There exist moral, ethical, and economic factors that accompany these new i .....

.... of the problem is the second factor. Some people may vomit once or twice a week after having a big meal while others spend most of their waking hours eating and getting rid of food. For this latter group, the eating disorder is a much more active part of one's daily life, and in these situations it will obviously take a much longer time. A deep-rooted eating disorder is a very serious condition and treatment typically involves years, not months. Some people expect that when the eating disturbance goes away, psychotherapy is over. This is not true. The process of psychotherapy helps a person resolve the emotional dilemmas that led them to food in the first .....

.... You can do your favorite sport, along with some aerobic exercise, which are very important, and there is a wide variety of them. The best fitness program is one that have an exercise(s) and a diet that you enjoy. The rewards and benefits of fitness can all be reaped, if you work at it. There are many benefits to fitness. The main one is health. Research has shown that people who are in shape and fit are less prone to disease such as coronary heart disease, osteoporosis, frailty, diabetes and conditions like obesity than the people are not. Fit people also tend to live a longer life. Doing aerobic and weight exercises such as running, walking, swim .....

.... adrenaline. There are other chemicals in the brain that can cause this, they are nerotransmitters. In the case of a.d.d. they give proper messages or do not at all in times, it all differs at times and when this happens it causes a.d.d. to occur. There are a few different categories that a.d.d. can be broken down into one of them is A.D.H.D. which makes it very difficult for children to follow along in class. Usually children with A.D.H.D. are more problematic or harder to keep in line, because A.D.H..D. is involving much more hyperactive behavior. A.D.D. is a genetic disease, and in the case of A..D..D. If a child has it there is a more than good chanc .....