Why is water so important ? Your body uses water in all its cells, organs, and tissues to help regulate its temperature and maintain other bodily functions. Because your body loses water through breathing, sweating, and digestion, it’s important to rehydrate by drinking fluids and eating foods that contain water.
How much water do we actually get to use ? You may have heard that you should drink eight 8-ounce (237 milliliters) glasses of water a day (totaling 64 ounces, or about 1.9 liters).
Why are we unable to use ocean water ? Drinking seawater can be deadly to humans. … Human kidneys can only make urine that is less salty than salt water.