Dear Angelika,

Believe it or not, we are mostly water. Of course, you may have noticed we aren’t sloshing around and spilling everywhere.

That’s because a lot of water in our bodies is found inside the cells that make us up. In fact, about 60 percent of our body is water, said my friend Yonas Demissie, a civil engineer and professor at Washington State University. He’s engineering ways to make sure people have good water resources for the future.

Every day, water is flowing in and out of our bodies. When we drink, water can … Continue reading Why do we have water in our bodies?