Kids reaching puberty should already know what's going to happen to their bodies. Here are some tips for talking to your daughter about menstruation.| kidshealth.org
The immune system, composed of special cells, proteins, tissues, and organs that protect against germs and microorganisms, is the body's defense against disease.| kidshealth.org
Puberty was awkward enough when you were the one going through it. So how can you help your kids through all the changes?| kidshealth.org
The female reproductive system is made up of the parts inside and outside a female’s body that help make a baby. Learn about them and how they work.| kidshealth.org
The digestive process starts even before the first bite of food. Find out more about the digestive system and how our bodies break down and absorb the food we eat.| kidshealth.org
Milk and other calcium-rich foods help build strong, healthy bones. But most kids and teens don't get enough calcium. Here's how to make sure that yours do.| kidshealth.org