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The largest ever land animals were the enormous plant-eater dinosaurs called sauropods, of which Apatosaurus (former Brontosaurus) is the best known. These creatures could grow up to 42 m (130 ft) in length (but the neck and tail could be longer than their body) and at least 110 tons in weight. Researchers have been... |
8 February 2008
03:30 GMT |
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1.Digestion takes place inside a 9 m (30 ft) long duct called digestive tube. It starts in the mouth and even if the food stays very little here, this is the place where the break down of the starches begins. The taste detects food's flavor, size, composition, texture and temperature. By chewing the food, the su... |
17 January 2008
16:31 GMT |
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You may have heard that the snake venom in some species starts the digestion of the prey before being swallowed. Spiders put into their meals abundant saliva quantities that turn the body of an insect into a juice that the spider sucks. But even if a human doesn't start digesting the juicy steak from its mouth, ... |
12 September 2007
04:46 GMT |
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The only magical formula to get slim is combining diet and exercising. But in the case of the persons that are prone to obesity, drugs and natural products can help, as long as they are taken under the medical control, as most of them have secondary effects. Orlistat is commercialized under the name of Xenical, and b... |
28 July 2007
06:19 GMT |
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In many primitive tribes, people binge themselves during periods of plenty, accumulating a round belly, and after that pass the time fasting during the season of scarcity. Many big carnivores can binge after a big kill. Lions and tigers can engulf up to 40 kg of meat at once (which represent up to 15 % of their weigh... |
5 April 2007
03:08 GMT |
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