January 29, 2015 Social Science
I do not fear death and this is why! I know that is going to happen, and I have no fear of the unknown, for that very reason, if I am permitted to stay on this planet indefinitely and there…
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January 29, 2015 Social Science
Social movements begin when large people are of like minds on an issue, find conditions intolerable and are prevented from getting satisfaction by the authorities or the government. They can include forming worker’s unions, regular assemblies and protests, regular spates of rioting and violent…
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January 29, 2015 Medical Science
The terms heart disease and cardiovascular disease are often used interchangeably. Heart disease is a broad term used to describe a variety of diseases that affect ones heart and sometimes blood vessels. Cardiovascular disease is a term that generally refers…
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January 29, 2015 Medical Science
Circulatory systems are necessary for living organisms to transport nutrients, waste and gases from all the cells in the body. Even single cell organisms perform this function and use their surface as an exchange point. In humans, the pulmonary circulation…
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January 29, 2015 Social Science
The American environmental movements are commonly viewed as originating in the stereotypical left wing, hippie and outsider movements of society. But the actual origins of wide scale American attention to the effects of man on the environment lie in the movement to…
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January 29, 2015 Medical Science
The skin is the covering layer of the body. It has a protection function as is seen from the type of epithelium that its epidermis layer has. It has a stratified sqaumous keratinized epithelium, which is composed of several layers…
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January 29, 2015 Medical Science
Breathing is a necessary mechanism in the human body. A breath occurs in two parts, inhalation (or inspiration) and exhalation (or expiration). The breathing cycle is controlled by the nervous system, particularly the respiratory center of the brain, and respiratory…
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January 29, 2015 Social Science
Since the cloning of Dolly the sheep in 1997, the tremendous potential of biotechnology has received increasing recognition. Currently, cloning has diversified into inter-related fields with the hope that it will provide a better future for mankind. However, with regards…
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January 29, 2015 Medical Science
The kidneys maintain the pH, ion, and fluid balance of the blood. Humans usually have two of these bean-shaped organs in the abdominal cavity. To achieve their function, the kidneys are made of basic filtering units, called nephrons, intertwined with…
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January 29, 2015 Medical Science
The autonomic nervous system is divided into two parts. These are: the sympathetic nervous system and the parasympathetic nervous system. The sympathetic nervous system originates in the spinal cord at the levels T1 to L3 where T stands for the…
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