Water
Facts about water
Earth
- 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
Human
- 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