viernes, 9 de abril de 2010

water




water

Water is a chemical substance that is composed of hydrogen and oxygen and is vital for all known forms of life.
In typical usage, water refers only to its
liquid form or state, but the substance also has a solid state, ice, and a gaseous state, water vapor or steam. Water covers 71% of the Earth's surface. On Earth, it is found mostly in oceans and other large water bodies, with 1.6% of water below ground in aquifers and 0.001% in the air as vapor, clouds (formed of solid and liquid water particles suspended in air), and precipitation.Oceans hold 97% of surface water, glaciers and polar ice caps 2.4%, and other land surface water such as rivers, lakes and ponds 0.6%. A very small amount of the Earth's water is contained within biological bodies and manufactured products.
Water on Earth moves continually through a
cycle of evaporation or transpiration (evapotranspiration), precipitation, and runoff, usually reaching the sea. Over land, evaporation and transpiration contribute to the precipitation over land.
Clean, fresh
drinking water is essential to human and other lifeforms. Access to safe drinking water has improved steadily and substantially over the last decades in almost every part of the world. There is a clear correlation between access to safe water and GDP per capita. However, some observers have estimated that by 2025 more than half of the world population will be facing water-based vulnerability. A recent report (November 2009) suggests that by 2030, in some developing regions of the world, water demand will exceed supply by 50%. Water plays an important role in the world economy, as it functions as a solvent for a wide variety of chemical substances and facilitates industrial cooling and transportation. Approximately 70% of freshwater is consumed by agriculture.


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Drinking water is essential for clean skin and your overall health. Water is essential for carrying waste material out of your body... and is quite possibly the single most important contributor to healing and preventing acne flare-ups. How much water should you be drinking every day? Drink at least 8 to 10 glasses of water a day for beautiful skin. Your body is made up of 70 percent water. Water is literally your body's life force. It is involved in nearly every bodily process, including digestion, absorption, circulation and excretion. Water is also the primary transporter of nutrients throughout your body. If not enough water is consumed, toxins can build up causing breakouts. Without adequate water, we would poison ourselves with our own metabolic wastes. Your kidneys remove waste products that must be dissolved by water. So, by drinking at least 8 glasses of water a day, you are flushing out the toxins that would normally escape through the pores of your skin... thus preventing acne breakouts. Your kidneys cannot function properly without enough water. When they do not work to capacity, some of the load is dumped onto your liver. One of your liver's primary functions is to metabolize stored fat into usable energy for your body. But, if your liver has to do some of the kidney's work, it cannot work at full capacity. A liver that is not performing at its best can worsen acne because it cannot break down and clear excess hormones from your body. Water helps maintain proper muscle tone, by giving muscles their natural ability to contract and by preventing dehydration. Shrinking cells are buoyed by water which plumps your skin and leaves it clear, healthy and resilient. Water is also extremely important in losing weight and keeping it off. Water suppresses the appetite and helps your body metabolize stored fat. Studies have shown that a decrease in water intake will cause fat deposits to increase while an increase in water intake can actually reduce fat deposits. Drinking 8 glasses of water a day can also eliminate water retention. Sodium may be a cause of water retention. Water flushes the sodium out of your system. Water can help relieve constipation. When your body gets too little water, it siphons what it needs from internal sources. The colon is one primary source. The result is constipation. But if you drink enough water, normal bowel function returns. So, drink 8 to 10 glasses of water a day. Your body will not function properly without enough water and cannot rid itself of wastes and toxins. Drinking water is essential for clear, healthy skin.


Why is Water Important?

Here are some interesting facts about Why Water is Important....
Water is necessary to all living things.
Water is all around us, in the air and in the ground. It is in milk, vegetables, fruit, meat, leaves, trunks, roots, and branches of a tree; it is even in stones.
Water is used for many things:
To drink: people should drink 8 glasses of water each day to stay healthy.
To wash things: dishes, cars, clothes, ourselves as needed.
To cook things in (eggs, vegetables); to use in things we cook (cakes, soup).
To put out fires.
To play in: pools, ponds, lakes, oceans; or to play with when using hoses, sprayers, or sprinklers.
To water plants, lawns, trees, bushes.
To transport cargo and people on ships or boats.
More plants and animals live in water (saltwater or in fresh water) than on land.

3 comentarios:

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  2. the information is very complete and the recomendtions , are very usefull ..it sa good investigation













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