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Water

2013-11-13 来源: 类别: 更多范文

Water My presentation is about a substance vital to everyone and almost everything. If you haven’t guessed by now, yes it is about water. It covers why water is needed for the human body to work, what happens without enough water, and how much water is used and wasted in the U.S. The first topic to be covered will be how your body uses water. Water is used in all of the major systems for a variety of uses. It used for digestion, controlling the temperature of the body, getting rid of the body’s waste, and transporting nutrients. Water makes up most of the body with studies showing the amount ranging form 72% up to as high as 83%. Most major organs are at least three-quarters to four-fifths water as well. It’s no wonder that water is often called the body’s most important nutrient. The body can survive up to a month without food but without water a person would die in a few days. Without water many things begin to happen. If body fluids drop 5% people suffer a 25-30% drop in energy while a 15% drop can result in death. water, body, drink, gallons, without, people, high, body’s, amount, work, wasted, energy, drop, about, waste, systems, suffer, studies, sources, showerhead, recommend, much, makes, major, it’s, flow, billion, better, being, because, 15%, yes, wonder, whole, while
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