Water is necessary for all living organisms.
Where there is water, there is also life, and that is why NASA´s motto in the
search for life on other planets is ´´follow the water´´ ;) Water is the most basic
component of the organisms. Human body contains about 60-70% water (newborn babies
~78%, adults ~60%). The most watery organs in our body are lungs that contain
~83% of water, while bones contain only ~31% of water. Without food we can
survive ~ 3 weeks, but without water only a week.
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