We humans need lots of water--where does ours go? Some water evaporates from our skin, but mainly when cooling demands that we perspire. A lot goes out in our exhalations, which come out close to body temperature and 100 percent humidity. So you might inhale air with 1 percent water vapor and exhale air with 3.5 percent. A lot of water leaves through our kidneys, since the can only dump wastes when theyre well diluted with the stuff. Steve Vogel, The Life of a Leaf. Hydrate, hydrate, hydrate! I slightly rearranged and left out some content--as he was comparing how we use water to how plants use water. If you want the whole scoop--as your local library if you can request the book!
Posted on: Sun, 26 Jan 2014 03:13:50 +0000
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