What Is the Digestive System? The digestive system breaks down the food we eat into tiny parts to give us fuel and the nutrients we need to live. As food breaks down, we get amino acids from protein, ...

Good nutrition and exercise are important, but how do you feed a picky eater or encourage kids who don't like sports to play outside? Find out how to keep kids active and eating well.

What Are the Lungs and Respiratory System? The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out ...

Do you know how to be street smart? Being street smart means knowing how to keep yourself safe from strangers when you're alone or with other kids. Whether you're walking to school or to the bus, ...

Testicular torsion is an emergency condition. It happens when the spermatic cord, which provides blood flow to the testicle, rotates and becomes twisted. The twisting cuts off the testicle's blood ...

Reproduction is the process by which organisms make more organisms like themselves. But even though the reproductive system is essential to keeping a species alive, unlike other body systems, it's not ...

Having a shy style isn't necessarily a problem. It's perfectly OK to take time to warm up to new people and situations. But shyness blocks some people from being as comfortable or sociable as they'd ...

These practical tips on goal setting can help make it easier to set and reach goals: ...

Lead is a metal that's found in the environment and many consumer products. It can be toxic (poisonous) to people and animals. Lead poisoning happens when too much lead gets into the body. In kids, ...

Your eyes see, but how does vision happen? Find out how the eyes and brain work together in this eye video.

Beta thalassemia is an inherited blood disorder in which the body doesn't make as much beta globin as it should. Beta globin and alpha globin are building blocks of hemoglobin. Hemoglobin is the part ...