Facts about water


  • Three quarters of the earth is covered in water
  • 98% is salt water and not fit for consumption
  • Less than 1% of all the water on the earth is freshwater available for human consumption


  • More than 60% water
  • Blood is 90% water
  • The brain and muscles are 75% muscles
  • Bones are about 22% water
  • A human can survive for a month more without eating food, but only one week or so without drinking water