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 ...

Coughing is a healthy reflex that helps clear the airways. A severe cough or one that lasts more than a week requires a medical checkup. But many coughs are caused by a virus that just needs to run ...

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, ...

We see and hear about hearts everywhere. A long time ago, people even thought that their emotions came from their hearts, maybe because the heart beats faster when a person is scared or excited. Now ...

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 ...

Sounds are everywhere, and you have two cool parts on your body that let you hear them all: your ears! The outer ear is made up of the pinna — also called the auricle (say: OR-ih-kul) — and the ear ...

To help your child get ready for a blood test, find out if they need to fast (not eat or drink) or should stop taking medicines before the test. Explain what to expect during the test. If your child ...

Compulsive exercise (sometimes called exercise addiction) happens when a person is driven to exercise too much. Injury, illness, going out with friends, or bad weather will not stop those who ...

It’s great to feel good about yourself. To describe this, people often use words like self-confidence or self-esteem. Feeling good about yourself doesn’t mean boasting or bragging about how great you ...

A person also can get infected if they touch poop with the bacteria in it and then get it in their mouth. This can happen from swimming in or drinking contaminated water or by touching an infected pet ...

Heartburn, despite its name, has nothing to do with the heart. It's a burning or uncomfortable feeling in the throat and chest when food and acid in the stomach move back up into the esophagus (the ...

Glucose is the main type of sugar in the blood and is the major source of energy for the body's cells. Glucose comes from the foods we eat or the body can make it from other substances. Glucose is ...