.... in approximately 30 seconds. Pulmonary circulation is where the blood from the entire body is transported to the right auricle through two large veins. The superior vena cava and the inferior vena cava. When the right auricle contracts, it forces the blood through an opening into the right ventricle. Contraction of this ventricle drives the blood to the lungs. Blood is prevented from returning into the auricle by the tricuspid valve, which completely closes during contraction of the ventricle. In its passage through the lungs, the blood is oxygenated, that is, then it is brought back to the heart by the four pulmonary veins, which enter the left auric .....

.... or organism that is immune to it and carries it is also unknown. A search for the reservoir will take a long time because there are so many possibilities, since Africa is in the tropics. Another way that humans can get Ebola is by eating an infected animal or drinking the milk of an infected animal. Ebola is spread from human to human by contact with infected blood, infected body fluids, or through sexual contact. Even after a person recovers completely from Ebola, it may stay in the semen for up to seven weeks. In the African outbreaks it has also been transmitted by the reuse of needles because the health care systems are so under financed. Ebola w .....

.... The word euthanasia means a good death. It is referring to the manner in which one dies and of quickening the death process. Euthanasia is an option of dying quickly, rather than being forced to stay alive and endure a condition of medical degradation that is irreversible. This end of life decision returns the matter of choice to the patient in controlling the kind of treatment received in the final days of life. The dying individual regains dignity and respect in this difficult right to die issue. There are several terms related to euthanasia that must be understood. In this country the most widely used right to die policy comes in the form of refus .....

.... reasons. There are many types of alternative medicine. These types include mind-body intervention, bioelectromagnetic therapies, alternative systems of medical practice, manual healing methods, pharamacologic and biologic treatments, herbal medicine and diet and nutrition. The three most commonly practiced are mind-body interventions, alternative systems of medical practice and herbal medicine. I became interested in alternative medicine after show on a news program like 20/20 or Dateline. I thought it would be interesting to find our what other sources there are for help when I am ill. Alternative medicine twenty years ago was an obscure term. Only 5 .....

.... because somebody has drunk to much. Effects of alcohol on human behaviour From the above facts it is clear that alcohol has a major impact on the lives of Australians. This is particularly more so because it is not illegal and because it is so widely used. The effects of alcohol on a individual's body vary according to: (2) with the amount consumed. the way the alcohol is taken. the individual's body (size weight, health). the individual's experience. the individual's mood. the circumstance in which alcohol is consumed (with food, in a social gathering, with other drugs etc.) The immediate effects of alcohol on an .....

.... were present when comparing the normal brain to the Alzheimer's brain. There was a loss of nerve cells from the Cerebral Cortex in the Alzheimer's victim. Approximately ten percent of the neurons in this region were lost. But a ten percent loss is relatively minor, and cannot account for the severe impairment suffered by Alzheimer's victims. Neurofibrillary Tangles are also found in the brains of Alzheimer's victims. They are found within the cell bodies of nerve cells in the cerebral cortex, and take on the structure of a paired helix. Other diseases that have "paired helixes" include Parkinson's disease, Down's Syndrome, and Dementia Pugilistica. Scientists .....

.... person is unrealistically concerned about being overweight and therefore eat as little as possible. This condition is both a physical illness and a psychiatric illness. Hormone changes result from the low weight and low levels of body fat. In young women menstruation stops. Anorexia nervosa can be very severe illness, including a risk of death from starvation (Encarta Encyclopedia, Internet). Anorexia nervosa is a disorder in which preoccupation with dieting and thinness leads to excessive weight loss. The individual may not acknowledge that weight loss or restricted eating is a problem (www.anorexia.com, Internet). The American Anorexia .....

.... diagnosis may take some time. Crohn's disease usually involves the small intestine, most often the lower part (the ileum). In some cases, both the small and large intestine (those really bad places again) are affected. In other cases, only the SUPER really bad place is involved. Sometimes, inflammation also may affect the mouth, esophagus, stomach, duodenum, appendix, or some nasty sounding word. Crohn's disease is a chronic condition and may recur at various times over a lifetime. Some people have long periods of remission, sometimes for years, when they are free of symptoms. There is no way to predict when a remission may occur or when symptoms will .....