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, ...

Everybody knows that some organs in the human body are necessary for survival: you need your brain, your heart, your lungs, your kidneys... KIDNEYS? Absolutely. Even though you won't find a ...

How Does the Brain Work? And How Does the Nervous System Work? How do you remember the way to your friend's house? Why do your eyes blink without you ever thinking about it? Where do dreams come from?

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 ...

How much do you know about the urinary system, which makes pee? Find out by taking this quiz!

Students who require extra help and support might be eligible for special services that provide individualized education programs (IEPs) in public schools, free of charge to families. Understanding ...

Kids can get stomachaches for many reasons, like indigestion, viruses, stress and worry, and appendicitis. Most stomachaches are not caused by Helicobacter pylori (HEL-ih-ko-bak-tur pie-LOR-eye) ...

Everyone can benefit from making an effort to practice gratitude every day. These 3 steps can help you start feeling more grateful, and appreciative of the good things in your life: Notice good things ...

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 ...

What Is Diabetes? Diabetes happens when the body can't use glucose normally. Glucose is a type of sugar that comes from the food we eat. It's the main source of energy for all the body's cells.

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

Parents often associate sexual development with the teen years. But kids develop an emotional and physical foundation for sexuality in many subtle ways from infancy. Physical and emotional changes ...