Why we need water?

Continuing with the water based theme and how it can aid your weight loss programme, and the all important necessities and essentials of everyday living, the below articles outlines why we all need water and why it is so good for us. Sourced again from 'ezinearticles' (http://EzineArticles.com/5538330) and written by Heather Dunne (http://EzineArticles.com/?expert=Heather_Dunne), it is worth a few minutes of your reading time.




Everyone knows that we need water, but how many really know why? While it wouldn't be pleasant, the body can last far longer without food than without water. Why does dehydration cause the body to completely shut down? Keep reading to find out.

The first thing water does is aid in the digestion of food. Water helps to dissolve nutrients, which is necessary in order for such nutrients to pass into the bloodstream. It also helps to carry the food through the intestines, enabling the overall process of digestion. Without water you would not get the nutrients you need. Water also provides the area in which the digestive process (along with many other processes) occurs. A large percentage of the body consists of water for just this reason.

The next thing water does is help to eliminate waste from the body. Just as water moves food through the intestines, pushing nutrients through the intestinal wall, water also pushes the leftover waste onward in the digestive process, so that waste doesn't remain sitting around in the body, blocking new food from distributing necessary nutrients. Without water, waste would quickly build up in the body, with no way of getting out.

Water is also responsible for the communication between cells. Cells send messages to each other by way of electricity, and this is done through the medium of water. This sort of communication is why you can move your muscles, your brain can process what your eyes see, and even why you can think at all. Without communication between brain cells, which requires water, your whole brain would shut down.

While the water between cells is important for communication, it's also important for lubrication. Give your muscles too much fiction and your body wouldn't be able to move properly. Water, however, prevents this problem from happening, allowing you to move freely.

Water also keeps your body temperature in check. It's common to sweat on a hot day, because this is the body's way of cooling down. The sweat reaches the skin and then evaporates, taking heat with it. No water means no sweat, which in turn means dangerously high body temperature. This is another reason why dehydration is so common and so dangerous during hot summers.

There are plenty of other reasons why water is important to the body, but these are the main ones. Hopefully, that convinced you to drink your eight glasses a day!

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