| |INTEGUMENTARY SYSTEM - SKIN IS IN! | Integumentary? That’s a big word to describe something as simple as our skin. First‚ the skin is not all that simple. Second‚ integumentary systems are the parts in humans that include the basic types of skin‚ hair‚ fingernails‚ oil‚ and sweat glands. They are found in integument layers called the epidermis (top)‚ dermis
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the fur trade to the development of North America is a topic that has received much attention over the last century. Attempts to describe the economic‚ social‚ and political consequences of the fur trade have been made by prominent authors such as Harold Innis and Arthur J. Ray. None have doubted the significance of the industry‚ but attempts to describe or analyze it have varied greatly as historians‚ political scientists‚ sociologists‚ and economists gave their view. Some argue that the fur trade
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SKIN • Largest and heaviest organ of the body; accounts for about 15% of the total body weight • Also called as cutaneous membrane • Skin contains two layers‚ the epidermis and the dermis. • The hypodermis is the layer underneath the skin. FUNCTIONS • Skin is a protective covering that prevents harmful substances from entering the body. • It helps regulate body temperature and water loss. • It houses sensory receptors and contains immune system cells. • It synthesizes chemicals and excretes
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environment of the American Fur Company change in the 1830’s? What deep historical forces are implicated in these changes? The American Fur Company: The American Fur Company was founded by John Jacob Astor in 1808. The company grew to monopolize the fur trade in the United States by 1830‚ and became one of the largest businesses in the country. In early 1830’s it seemed nothing could slow Astor. But this environment suddenly changed for fur companies. Although the American Fur company was still competing
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Layers of the skin The skin is an ever-changing organ that contains many specialized cells and structures. The skin functions as a protective barrier that interfaces with a sometimes-hostile environment. It is also very involved in maintaining the proper temperature for the body to function well. It gathers sensory information from the environment‚ and plays an active role in the immune system protecting us from disease. Understanding how the skin can function in these many ways starts with understanding
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mirror that of the most sophisticated watch mechanisms. This simple action mesmerizes all the other animals. They seek respite from the heavy‚ unforgiving sun. After such an arduous pilgrimage‚ they have reached the watering hole. This is a paradise in the USA. I watch this
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Many may believe the skin is the most obsolete organ that humans have‚ but that is far from the truth. Scientists‚ just recently‚ have come to the conclusion that human skin is equipped with the strongest‚ most convoluted defense system that the body can produce. To the naked eye‚ the surface of the skin may seem like a calm‚ untouched wasteland scattered with grass-like follicles‚ but‚ magnified‚ it is a battle zone of the body’s defenses fending off unwanted‚ invading bacteria (Metaphor). With
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The French Fur Trade Beginning in the mid sixteenth century‚ French explorers were able to establish a powerful and lasting presence in what is now the Northern United States and Canada. The explorers placed much emphasis on searching and colonizing the area surrounding the St. Lawrence River "which gave access to the Great Lakes and the heart of the continent"(Microsoft p?). They began exploring the area around 1540 and had early interactions with many of the Natives‚ which made communication
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"Sport" hunting is a violent form of recreation that has left countless animals maimed‚ and orphaned animals vulnerable to starvation‚ exposure‚ and predation. This activity disrupts natural animal population dynamics and has contributed to the extinction of animal species all over the world‚ including the Tasmanian tiger and the great auk.(1‚2) Although less than 5 percent of the U.S. population hunts‚ hunting is permitted in many wildlife refuges‚ national forests‚ and state parks and on other
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"Hunting the Nightmare Bacteria” was aired on October 22‚ 2013. Frontline investigates the increasing amount of potentially deadly antibiotic resistance bacteria. Answer the questions below. Episode can be viewed at: HYPERLINK "http://www.pbs.org/wgbh/pages/frontline/hunting-the-nightmare-bacteria/"http://www.pbs.org/wgbh/pages/frontline/hunting-the-nightmare-bacteria/ What is community associated MRSA? MRSA infections in healthy people who have not been hospitalized or had a medical procedure
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