My Questions:
How much water does it take to hydrate the body?

Since water is so important, you might wonder if you're drinking enough. There is no magic amount of water that kids need to drink every day. Usually, kids like to drink something with meals and should definitely drink when they are thirsty. But when it's warm out or you're exercising, you'll need more. Be sure to drink some extra water when you're out in warm weather, especially while playing sports or exercising.
http://kidshealth.org/kid/stay_healthy/food/water.html

To support this water-based system, the average person needs to consume about 8 cups of water a day. The human body loses more than 1 cup (237 milliliters) of water each day just in the vapor exhaled from the lungs, and the body sends another 6 cups (1.4 liters) down the toilet every day. Some 20 percent of your liquid needs can come from solid foods - - although this depends entirely on the food you eat, because some foods, like watermelons, are made almost entirely of water.

http://curiosity.discovery.com/question/why-people-need-water


  1. Drink twice as much as it takes to quench your thirst.
  2. Drink frequently throughout the day to prevent dehydration.
  3. Drink at least eight glasses daily, or one cup for every 20 pounds of body weight. For example, a 150-pound person who does not exercise or work in hot climates needs 7.5 cup

Freedrinkingwater.com

http://www.stockfood.com.au/PreviewPage.asp?image=00801423
eceive the rest of your daily hydration by drinking water and water-based beverages.