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Axia College
SCI 241

How does it affect the Body?

Primarily, water is essential to health maintenance because water is a imperative nutrient within the body. Water is needed for the body to carry out its many functions. The body consists of mainly water, which is why once our bodies are depleted of water, it is unfavorable for our health. Water moves inside the body by osmosis that carries up or down a concentration gradient, which is dependent on where the water is needed and where there needs to be a reduction if there is an too high of an amount of water. Water also helps aid with the function of many systems in body such as the digestive system, the lymphatic system, and the nervous system.

In addition, water, in its many forms contributes to a number of functions in the human body. For instance, water is basically saliva that is used in the mouth and in the blood, which is comprised mostly of water, it “flows through our bodies, delivering oxygen and nutrients to cells and returning waste products to the lungs and kidneys for excretion” (Grosvenor and Smolin, 2006, p. 283). Water also aids the body by producing sweat and “[regulating] body temperature by increasing or decreasing the amount of heat lost at the surface of the body” (Grosvenor and Smolin, 2006, p. 283). Sweat cools the body by producing water to lose heat in the body. Water also aids in digestive and excretory functioning. We lose a lot of water through the digestive system because it aids in breaking down the foods we eat and we lose a lot of water through urine and feces. Furthermore, when the body does not get the water it needs, it dehydrates. Dehydration can occur through sweating when someone is exercising and they have lost too much water. Dehydration leads to fatigue, vomiting, and feeling ill. Severe dehydration is a dangerous situation that can threaten one’s health. When people are severely dehydrated, they should seek...
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