How did the physical and mental abilities that humans gradually evolved enable them to adapt their way of life to new environments during the Great Ice Age? Three critical biological traits‚ bipedalism‚ a very large brain‚ and the location of the larynx‚ are due to natural selection. Bipedalism evolved because it provided australopithecines with some advantage for survival. Larger brains had greater survivability such as enabling Homo habilis to locate things to eat throughout the seasons of the
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years millions of people where exposed to these toxins from the act of one corporation. Arsenic‚ PCB has been associated with causing skin‚ breast‚ bladder‚ lung and kidney disease‚ Hydrocarbons can cause lung‚ skin‚ leukemia‚ breast‚ throat and larynx cancers. The Environmental Protection Agency declared in 1993 that the site was mostly cleaned‚ mostly because the site still contained contaminated deep underwater deposits of toxins and by this time all the clean up was funded by taxpayers‚ The
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Clinic quickly outgrew its building having more added in the years to come. The Cleveland Clinic has accomplished many medical first. The Worlds first cine-coronary angiography‚ the first published coronary artery bypass surgery‚ first successful larynx transplant and the first near total face transplant. (http://myclevelandclinic.org/90th-anniversary.aspx). Tragedy was also a part of the past for the Cleveland Clinic. On May 15‚ 1929 over 120 people died from an explosion of x-ray film stored
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Hassan’s Story A) Bones have two different types of surface markings. One type of surface marking is depressions and openings. This type allows for the passage of soft tissues such as nerves and blood vessels‚ and also forms joints in the bone. The other type of surface markings is processes. This type are projections or outgrowths that either serve as attachment points for connective tissues like ligaments and tendons or help to form joints. B) Liu and Hassan were surprised to find a
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Prevention)‚ $92 billion are lost each year from lost productivity resulting from smoking-related deaths”(MNT). Lung Cancer is one of the most harmful effects of cigarettes. “But it also causes Bladder cancer‚ Kidney cancer‚ Cancers of the pharynx and larynx (throat cancer)‚ Mouth cancer‚ Esophagus cancer‚ Cancer of the pancreas‚ Stomach cancer‚ Some types of leukemia‚ Cancer of the nose and sinuses‚ Cervical cancer‚ Bowel cancer‚ Ovarian cancer. In some cases‚ also breast
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shortness of breath‚ and lightheadedness. Another health risk of alcohol is Cancer‚ Scientists believe the increased risk comes when the body converts alcohol into a potent carcinogen. Cancer sites linked to alcohol use include the mouth‚pharynx (throat)‚ larynx (voice box)‚ oesophagus‚ liver‚ breast and colorectal region‚ Cancer risks rises even higher in the heavy drinkers that also use tobacco (smoking). In New Zealand between 600 and 800 people have been estimated to die each year from alcohol - related
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heart attack or heart bypass surgery. Nevertheless‚ the smoking does not only affect the individual but those around them‚ referred to as second-hand smoke. b. Smoking effects on respiratory system The smoke causes irritation in the trachea and larynx. May results in reduced lung function and breathless caused by the swelling of the lung airway and the large amounts of excess mucus in the lung passages. This increases the risk of lung infection and symptoms such as coughing and wheezing (Ford‚
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mphibiaAmphibia Digestive System: 1. The digestive system of frog is mainly includes the food catching organs‚ the alimentary canal and the digestive glands. 2. In the alimentary canal the processes of mastication‚ digestion and absorption take place‚ while the digestive glands secrete certain enzymes which bring about the digestion of the ingested food. Alimentary canal: 1. The alimentary canal of the frog is essentially a colied tube of varyihng diameter that extends from one of
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organs All the sounds of English are made using air on its way out from the lungs. The lungs pull in and push out air‚ helped by the diaphragm. The air goes out via the trachea‚ where the first obstruction it meets is the larynx‚ which it has to pass through. Inside the larynx the air passes by the vocal folds‚ which‚ if they vibrate‚ make the sound voiced. Afterwards the air goes up through the pharynx‚ and escapes via either the oral or the nasal cavity. Almost all the organs involved in
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The Zodiac Killer is one of the great unsolved serial killer mysteries of all time‚ taking only second place to Jack the Ripper. Even though police investigated over 2‚500 potential suspects‚ the case was never officially solved. There were a few suspects that stood out‚ but the forensic technology of the times was not advanced enough to nail any one of them conclusively. This October‚ 1966 killing began a ghoulish series of murders that panicked the people of the San Francisco area. For years
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