Sweat Is Cool! (Body Fact #9)

The summer months are hot! It's a good thing your body has a special cooling system to keep you from overheating. Here’s how it works.

Your skin is covered with glands that make sweat (also called perspiration). When you get hot, those glands start working. The sweat they make comes out through the pores in your skin and makes your skin wet. It’s the evaporation of the sweat from your skin that cools you down. But it takes lots of fluid to make sweat. That’s why it’s important to put fluids back into your body by drinking plenty of water so you won’t get dehydrated.
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