A. This is the way in which the body converts food into energy.
B. This can cause cavities and decay in your teeth.
C. Other signs of dehydration include dry skin, a dry mouth, and feeling tired.
D. Here are a few examples of the way metabolism happens in the human body.
E. It's not a dangerous chemical though, it's just H20 - plain water.
F. Not drinking enough water can make it hard to concentrate.
