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Adipose Tissue Body Temperature
1,704 words... y requirements of its growing brain continues to devote roughly 70 % of its growth potential to increasing this fat deposit, reaching peak adiposity of around 25 % of its body mass by the age of nine months. These facts would not be predicted. either as part of the inheritance from early arboreal ancestors nor as adaptations to a life on the plains of Africa. One suggested explanation stressed the need of storing energy against possible food shortages, as in hibernating mammals. But the fat ...
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Year Old Man Part Of The Brain
1,677 wordsCan you image a hunk of pinkish-gray tissue the size of your hand that is controlling your entire body? This organ in your body is called the brain. The brain is not the largest organ but is the most complex organ in your body. (Metos, 1990, p. 10) When you think of the brain do you think of the control center of movement, sleep, hunger, thirst, and virtually every other vital activity necessary to survive? Or do you think of the brain as the organ that controls emotions including, hate, love, f...
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Influence Of Marijuana Marijuana Smokers
1,127 wordsShould Cannabis Sativa, also known as marijuana, be legalized in the United States of America? Many people think the answer to this question is yes, although others think it should stay illegal. There are many points on both sides of this controversial issue. There are many groups are on both sides of the line that have strong feelings about what they stand for. The dominant fear about marijuana in the 20 th century has been that its effects were somehow similar to the dangerously addictive effe...
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Time It Takes Time Of Death
1,266 wordsOne of the first things that happens after death is that the temperature in the body starts to drop. Before the temperature in the body core drops, a temperature gradient must be established from the outside to the core. After this gradient has become established the body temperature will drop with a theoretically predictably rate. This fact can be used to estimate time of death. Even if one succeeds in predicting when the temperature of the body core was 37 degrees Celsius, one has to remember ...
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Polar Bears Body Temperature
1,467 wordsFirst of all we need to understand what ectothermic and endothermic animals are. Animals differ in their abilities to regulate body temperature (thermo regulation). We sometimes use the terms "cold-blooded" or "warm-blooded. " Most reptiles feel cold to the touch, while mammals and birds often feel warm. Somewhat more precise descriptions can be made by using the terms poikilothermic and homoiothermic. The body temperature of poikilotherm is relatively variable, while that of homeotherm's is rel...
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Pieces Of Literature Metabolic Rate
1,092 wordsAnimal metabolism consists of the utilization of nutrients absorbed from the digestive tract and their catabolism as fuel for energy or their conversion into substances of the body. Metabolism is a continuous process because the molecules and even most cells of the body have brief lifetimes and are constantly replaced, while tissue as a whole maintains its characteristic structure. This constant rebuilding process without a net change in the amount of a cell constituent is known as dynamic equil...
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Ability To Communicate Body Temperature
628 wordsAccording to Charles Darwin, the various species and individuals compete for the same territories, and thus organisms that are better adapted to their environment are more likely to survive, reproduce, and transmit their features or traits to the next generation. Ability to reproduce efficiently In actuality, there are a few brain structures that give humans the arousal, desire, and necessity to reproduce. However, the Reticular Activating System and the Hypothalamus are particularly responsible...
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White Blood Cells Parts Of The Body
1,025 wordsCirculatory System is the combined function of the heart, blood, and blood vessels to transport oxygen and nutrients to organs and tissues throughout the body and carry away waste products. The circulatory system increases the flow of blood to meet increased energy demands during exercise and regulates body temperature. Also, when foreign substances or organisms invade the body, the circulatory system quickly sends disease-fighting elements of the immune system, such as white blood cells and ant...
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Pectoral Fins Fibrous Tissue
1,093 wordsDolphins are sleek Dolphins Dolphins Dolphins are sleek and powerful swimmers found in all seas. Dolphins are distinguished from porpoises by well-defined, beak-like snouts and conical teeth. There are at least 32 species of dolphins. Typical examples are the bottle-nosed dolphin, a popular performer in sea aquariums, and the common dolphin, which inspired many Mediterranean folk legends. Both often appear in open waters. Several freshwater species inhabit river estuaries in Asia and South Ameri...
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Term Side Effects State Of Mind
1,549 wordsSometimes when Ecstasy Ecstasy Sometimes when I m watching the news or flipping through newspapers I stop and realize how many sick and deranged people there are in this world. If you open a newspaper or turn on the news any day of the week there is always some situation going on that just makes you sick or makes you wonder how could a person do this sort of thing to another person. There are many crazy people in this world who do things for no other reason other than because they feel like it o...
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Academic Search Elite Illegal Drug
1,607 wordsThe Truth About Adam Its Friday night and you have nothing to do. Youre putting your schoolbooks away and you notice a flyer that you received earlier today. It says: Spectacular Laser Light Show Dance ALL night long to the newest trance songs in the industry. You decide to check it out and after asking a few people of the location of this dance party you find yourself in front of an abandoned warehouse. You walk in and the sound is blaring and the laser lights you read about are moving to the m...
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Blood Glucose Levels Gastrointestinal Tract
1,680 wordsp>Outline how the nervous system is involved in any one homeostatic function. [ 12 ] c) Evaluate the involvement of the nervous system in this homeostatic function. [ 12 ]Homeostasis is involved in keeping the body? s internal environment constant (like the thermostat of a central heating system). Homeostasis keeps the body? s temperature at a certain level (36. 5 oC) and it keeps the pH of the body at a certain level so that enzymes don? t denature. Blood glucose is kept constant, CO 2 levels a...
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Carbon Dioxide Measuring Cylinder
3,019 wordsAim 1 To find Fermentation Aims Aim 1 To find out what factors affect how quickly bread dough rises. There are a number of factors that affect how quickly bread dough rises. These are: · Amount of sugar-if the amount of sugar is increased, the rate of reaction will increase. Adding a higher concentration of sugar will increase the sugar particles in a given space. As the mixture is heated, the sugar particles will begin to move. Due to a lack of space, this would result in collisions. Thu...
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Pulmonary Artery Vena Cava
1,945 wordsHeartthe human heart is a specialized, four-chambered muscle that maintains BLOOD flow in the CIRCULATORYSYSTEM. Located in the thorax, it lies left of the bodys midline, above and in contact with the diaphragm. It is situated immediately behind the breastbone, or sternum, and between the lungs, with its apex tilted to the body cavity's left side. In most people the apex can be felt during each heart contraction. At rest, the heart pumps about 59 cc (2 oz) of blood per beat and 5 l (5 qt) per mi...
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Times Per Minute Body Temperature Falls Hibernation
1,829 wordsHibernation: Definition Hibernation is an inactive, sleep like state that animals must go and at least one bird enter during the winter. Animals that hibernate shelter themselves from harsh winter and reduce their need for food. Their body temperatures are considerably lower, as well as their heartbeat and breathing. The true hibernator spends most of the winter in a state close to death; in fact the animal may appear to be dead. The body temperature is close to zero degrees; the respiration is ...
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Millions Of Years Adipose Tissue
3,426 wordsHuman Evolution: the water theory. Elaine Morgan The crucial question about human evolution is why humans differ so strikingly from the African apes despite their close genetic relationship. Most Darwinists would agree that such differences are usually attributable to differing environmental pressures; and hence that our ancestors at some stage probably occupied a significantly different habitat from the ancestor of the gorilla and the chimpanzee. For the last half-century it has been generally ...
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Cold Blooded Oxygenated Blood
1,437 wordsMammals have existed for the past 200 million years. According to fossil evidence, they evolved from a mammal like reptile group. These reptile ancestors were small, active carnivores. They were equipped with several specialized types of teeth. Their limbs were positioned more directly under the trunk as opposed to spreading out to the sides. Both of these characteristics are prominent features of mammals. For the past 70 million years mammals have been the dominant animals in terrestrial ecosys...
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Marijuana Legalization Marijuana Smokers
2,176 words1 Marijuana Legalization Marijuana legalization has been a widely discussed topic for a number of years. America has a long history with marijuana, over the past 250 years marijuana has been a part of our society (Martin Online Web). After assessing the truth about marijuana, one may begin to think about legalizing it. Marijuana is used for medicinal purposes, clothing, rope, and socially. The actual harm marijuana causes to individuals is slim and the positive attributes of legalizing it far ou...
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Physical And Mental Rock Climbing
3,250 wordsMountain climbing can be an exhilarating, rewarding and life changing experience. Although climbing a mountain can be one of life s greatest accomplishments, it is more than panoramic views, the satisfaction of reaching the summit, or a true wilderness experience. Mountain climbing is a great challenge that involves risk, danger, and hardship. Mountain climbing is not for everyone, although some can find it irresistible, as well as frustrating and sometimes even deadly. There are qualities to mo...
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Naturally Occurring El Nino
3,100 wordsThe signature Species of the Southern Hemisphere (Antarctica) the mascot if you will is the penguin. There are not one and no fewer than seventeen species of penguins. Penguins are flightless birds in which several factors are contributing to the reduction of the penguin population. These contributing factors are both man-made and naturally occurring. ? The origin of the word? penguin? has been the subject of debate for a long period of time. Researchers and historians? theories range from refer...
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