Adults, about 60% of the body of water, if the water content reduced to 20% of
original body weight, people can not survive. Some people think that thirsty do not
need to drink water, in fact, the human body cells, the ongoing metabolism, rid
itself of waste, distribution of heat loss will be water, so keeping the body
balance of the daily water intake and discharge is necessary.
When the water is insufficient, the body can cause severe water scarcity level of
blood circulation increased osmotic pressure, if not timely when hydration,
intracellular fluid while the water is flowing interstitial fluid producing cells
in dehydration.