The human body is made up largely of water. Up to 75% of our body is water. Water helps us digest food. Chemical reactions in our body would not be possible without water. It also needs water to help carry away the substances that we do not need any more. Water regulates our body temperature so that it always stays the same. Although we can live without food for a few weeks without water we would die within a few days. A normal human needs about 2 to 3 litres of water a day to survive 
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Nice work, i hope you grow fast on steemit :)
Welcome @michealsteem. I hope you enjoy here as much as I do! Nice post, I will follow your account, please follow me at @rohitrajput.