The seven essential functions that water does for the human body is that it regulates the temperature and protects body organs and tissues. it also lubricates joints and helps prevent constipation. and it also carriers nutrients and oxygen cells as well as keeps your mouth and eyes moist. and it helps to dissolve minerals.

on average the human body is made up of 60 to 70% water. as a baby you have the highest percent 78%. adult man have 60% of there body made of water. and females have 55% water in there body. kids have the highest percent cause certain organs need more water to develop.

the brain and heart or made up of 73% water. your lungs are 83% water.your skin is 64% water.muscles and kidneys are 79% water and your bones are 31% water. the only reason i can come up with is that you come from water.

on average we consume about a half a gallon a day. water is used as a good insilater in our body cause it take awhile for it to heat up and to become cold. water also keeps us from getting to hot. one way it does this is when we start to sweat and that is also a good sign that we should consume more water before dehydrating.

we can live 3 to 5 days without water. because most of all the important organs need it to survive. for example you heart, kidneys, and lungs would start to die without water.

dehydration is when your body loses a lot of liquids that is mostly water. some symptoms are increased thirst dry mouth and you start to act weak then everything becomes dizzy and then confussion sets in then sluggish fainting and starting to sweat a lot and there is a decrease in your urine output.

the dangers of dehydration is when your fever rises around 103 and you are also showing some symptoms.  but the most serious thing about this is you can die.

Mayoclinic.org,. (2015). Functions of water in the body - Mayo Clinic . Retrieved 13 February 2015, from http://www.mayoclinic.org/healthy-living/nutritio...

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