This clear substance makes up over 50% of our body. It is very important that we get plenty of this everyday.

The word means "with air" and this kind of exercise makes your heart strong.

MyPlate is the current nutrition guide published by the United States Department of Agriculture. The plate is divided into sections of approximately 10 percent fruits, 20 percent protein, 30 percent grains, and 40% of this group of food.

This kind of exercise comes in four styles: breaststroke, backstroke, butterfly and free style.

This substance can be found in candies and soda, and can cause cavities in your teeth.

This form of exercise requires a person to run 26.2 miles each time.

People drink this white liquid to get protein which is an important building block for our body.

Weight-lifting helps to build this part of your body.

This kind of fat is known as bad fat that can be found in fried food.

Your brain release this chemical which makes you feel happier after exercise.