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» Science Essays and Papers
Adaptation Syndrome
<view this essay>.... situation caused by the brain sends biochemical messages to various parts of the body, resulting in bodily changes such as increased or irregular heart beats, shallow fast-breathing or muscle tension (refer to appendix xxx). It is this physical reactions that characterize this early stage is the GAS model. (Author, pg#).
Dr. Selye preformed most of the early work on the adaptation syndrome. His experiments in general looked at harmful stimuli on the response of the body. In an experiment, Seyle exposed a large number of rats to a refrigerated room where the temperature was near freezing,(Author pg#) “…during the first 48 hours they developed the t .....
Number of words: 326 | Number of pages: 2 |
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Dolphins
<view this essay>.... the surface the dolphin breathes through a nostril on top of its head called a blowhole. The blowhole is sealed wile underwater by a series of powerful muscles. They have torpedo-shaped bodies, which enable the animals to move through the water quickly and easily. There skin is rubbery and smooth. They have a layer of fat beneath there skin which keeps the dolphin warm and stores food. It is also think that the blubber helps them to stay afloat, since it as lighter then water.
have distant cautious that make them direct the other whales, most dolphin species have a distinct beck where as porpoises have a more rounded shape to there head. They also have a ho .....
Number of words: 505 | Number of pages: 2 |
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Iron Increases Heart Disease
<view this essay>.... 1994).
The purpose of this literature review is to investigate research dealing with the subject of increased serum iron levels and the prevalence of CAD. Medical journals were primarily used for research data due to the nature of the subject and the need for in-depth analysis.
While it has the highest prevalence of any disease, women experience only 30-50% of the coronary artery disease incidence and mortality of age-matched men (Meyers, 1996). Many feel that this may be due to the protective effect that estrogen has on the blood vessels of females. There may actually be a direct correlation to reduced serum iron levels due to menses. Whereas men " buil .....
Number of words: 789 | Number of pages: 3 |
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The Big Bang Theory Vs Biblical Views
<view this essay>.... was not widely excepted into society after it had surfaced. As the
decades progressed, there had never been an logical answer that explained
so much. Among this generation, the idea of God as the creator, or even a
God period, has almost desisted. In this essay, I hope to present to you
why science should not exempt this supernatural phenomenon from their
studies.
The "Big Bang Theory" states that fifteen billion years ago, give
or take five billion years, the entirety of our universe was compressed
into the confines of an atomic nucleus. Known as a singularity, this is the
moment before creation when space and time did not exist. According to the
prevaili .....
Number of words: 351 | Number of pages: 2 |
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Desert Biome
<view this essay>.... of four years. The fifth year brought 0.6 inches (1.5 centimeters), making a five-year average of 0.12 inches (0.3 centimeter). At another time 2.5 inches (6.4 centimeters) fell in a single shower. " (Compton's Encyclopedia)
Temperatures range widely in deserts. The greatest daily fluctuations occur in deserts near the equator. Temperatures above 100o F (38o C) occur regularly in summer. "Azizia, 25 miles (40 kilometers) southwest of Tripoli, in Libya, holds the record with 136.4o F (58o C), while Death Valley, Calif., comes close with 134o F (56.7o C). "(Genius book of world records 2000) Winters are cold in middle-latitude deserts, located far from the eq .....
Number of words: 839 | Number of pages: 4 |
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Genetic Engenering -4
<view this essay>.... the people who feel otherwise say, "Introducing genes into chromosomes is very much a hit or miss proposition. Scientists might achieve the results they intended once in twenty times, making the procedure far to risky to preform on a human embryo" (Nash 2).
Many times scientist have proved that they do indeed have the power to duplicate an animal, plant and human body parts so that they are exactly identical to each other. For example, in May of 1998, scientists successfully cloned a calf using a new cloning technology that could make it possible to create "designer" cattle. Also, in June of 1998, there was talk about having successfully cloned a mouse swe .....
Number of words: 957 | Number of pages: 4 |
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The Polar Bear
<view this essay>.... with many special features.
MOVEMENT
Since polar bears are carnivores and there isn’t a lot of food in the Arctic, they must be able to travel a great distance at a good speed. Looking at a polar bear you will probably notice that it is bowlegged. This means that their huge paws point inward. Having their paws in this position helps them grip the slippery ice. Another specialized feature of its paws is that they have pads of dense fur on the bottoms. Polar bears are the only bears that have this feature. These pads help the bear retain heat and to grip the ice and provide better traction. Polar bears are fast movers. When on uneven ice the bear wi .....
Number of words: 1548 | Number of pages: 6 |
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The China Syndrome
<view this essay>.... speak
publicly about the accident. On the way to a Nuclear Power convention there was
a car following Jack. Jack went to the Ventanna Nuclear Power Plant to hide from
the people following him. After arriving, Jack went to the control room to find
that the people running the plant were making a big mistake. He saw the people
raising the power back up to 100%. He tried to explain that there could be
another accident if they raised the power all the way because of a problem with
the pumps. The people didn't believe Jack and were starting to raise the power
up again. When Jack saw what they were doing he grabbed the security officer's
gun and forced everyone out o .....
Number of words: 500 | Number of pages: 2 |
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