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, ...

What Is the Respiratory System? When we breathe, the respiratory system takes in oxygen and sends out carbon dioxide. The cells in our bodies need fresh oxygen to stay alive. As cells do their jobs, ...

What Does the Heart Do? The heart is a pump, usually beating about 60 to 100 times per minute. With each heartbeat, the heart sends blood throughout our bodies, carrying oxygen to every cell. After ...

Every single person has a skeleton made up of many bones. These bones give your body structure, let you move in many ways, protect your internal organs, and more. It's time to look at all your bones — ...

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, ...

Most childhood poisonings happen in the home. They usually can be treated at home with advice from the poison control center. But it's important to know when a poisoning is serious enough to need ...

It's easier to agree than disagree. But we can learn a lot from conversations where we don't see eye to eye — if we can listen and talk rationally, that is. Unfortunately, many us either shy away ...

Say hello to Chloe and Nurb and let them take you on a tour of the human body. You'll find out how the body's organs work and learn about body systems like the digestive system and brain and nervous ...

Some babies are born with a condition called Down syndrome. Kids with Down syndrome often have medical problems and trouble learning. But many can go to regular schools, make friends, enjoy life, and ...

Slow, calm, deep breathing can help us relax, manage stress, relieve anxiety and depression, and get a good night's sleep, among many other things. Breathing also helps quiet the mind in preparation ...

You've probably heard countless times how exercise is "good for you." But did you know that it can help you feel good too? Getting the right amount of exercise can rev up your energy levels and even ...