Dehydration - Dehydration 1 Dehydration Brenda Mankins...

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Dehydration 1 Dehydration Brenda Mankins Science 241 03/17/2010
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Dehydration 2 Water is essential to our bodies because water is a very important nutrient in the body. It is one of the six classes of nutrients and it is needed for the body to carry out its numerous functions. Water, is the most essential element, next to air, to our survival. The body is composed of mostly water. Water makes up more than two thirds of the weight of the human body, and without it, we would die in a few days. The human brain is made up of 95% water; blood is 82% and lungs 90% (freedrinkingwater.com). The body cannot function without water and the entire cell and organ functions made up in the human anatomy depends on water. Water serves as a lubricant for forming saliva as it flows through our bodies, delivering oxygen and nutrients to cells and returning waste products to the lungs and kidneys for excretion. Water also regulates the body temperature, cooling and heating through perspiration. Sweat cools the body by producing water to regulate the heat in the body. Water also alleviates constipation and regulates metabolism (freedrinkingwater.com). The body loses a great deal of water through the digestive system because it helps in breaking down foods that have been consumed. Having a "dry mouth" is an obvious sign of extreme dehydration which can be avoided by drinking minimum of 8 glass of 8 ounces of water each day ( www.internethealthlibrary.com ). The body keeps track of the amount of fluid it needs to function regularly. The body is signaled by the thirst mechanism to drink water when the body is dry. Hormones like anti-diuretic hormone (ADH) work with the kidney to limit the amount of water lost in the urine when the
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Dehydration - Dehydration 1 Dehydration Brenda Mankins...

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