How Does Air Enter the Respiratory System? Air enters the respiratory system through the nose or the mouth. If it goes in the nostrils (also called nares), the air is warmed and humidified. Tiny hairs ...

How Do I Take a Rectal Temperature? The best way to take a temperature in infants and young children is by taking a rectal temperature. Don't worry — it's a simple and safe process.

infection in the urinary tract irritation or injury of the genital area stones (small masses of minerals) in the urinary tract Urinary tract infections (UTIs) are the most common cause of pain during ...

From your nose to your toes, do you know how the body works? Take these quizzes to find out!

How much do you know about your muscles? Find out by taking this quiz!

A bully can turn something like going to the bus stop or recess into a nightmare for kids. Bullying can leave deep emotional scars. And in extreme situations, it can involve violent threats, property ...

Vomiting can be caused by many things, most commonly gastroenteritis (the "stomach flu"). Vomiting (throwing up) can cause kids to lose fluids, salts, and minerals, so it's important to make sure ...

Sexting (or "sex texting") is sending or getting sexually explicit or suggestive images, messages, or video on a smartphone, computer, tablet, or other device. Sexting includes sending or receiving: ...

Earaches are common in kids and can have many causes. Here’s why they happen and what to do when your child complains of ear pain. Give acetaminophen or ibuprofen as needed to ease pain (check the ...

It’s normal for people to masturbate (touch or rub their own genitals because they like the way it feels). Some people do it to relieve stress or tension. It’s nothing to be ashamed of or embarrassed ...

Students who need extra help and support in school may be eligible for special education services in the form of an individualized education program (IEP). This program is offered free of charge to ...

As your body develops, you might hear all sorts of rumors, like touching or massaging breasts makes them grow. That’s not true. There's plenty of wrong information out there about breast development.