Yes, it can.

water moisturizes the body, water is needed by most body parts for functioning, water regulates blood circulation in the body, water cleans our body, water quenches our thirst, water removes toxins in our body........ water is just so useful to our body.

*you can't live 1 week without food but you can with just drinking water.

i think it is 1/2 x area of the body x depth of water

your body needs 2 1/2 gallons of water each day.

It would be 68%!Did you know that we there are 1/3 water in a humans body!