ok i don't know this question should be physic or writing or biology. anyway i am going to ask here. What happens if we don't drink water? How long can humans survive without water?
Water plays a crucial role in all of the body's vital functions. It regulates temperature, removes wastes,helps in digestive and lymphatic systems and transports oxygen and nutrients to the cells, cushions the joints and provides protection for the body's tissues. One would be dehydrated and died without water. On average, the human can last 3-4 days without drinking anything.
Sorry, human body can survive 8-14 days without water depending on the person and how fast sweat, urine, and tears are leaving the body. Read more: http://wiki.answers.com/Q/How_long_can_humans_survive_without_food_or_water#ixzz1wTHD9uUR
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