Take this quiz about the circulatory system, which sends blood throughout your body.

near the end of a bone where most of the bone's growth happens. It is weaker and more at risk for injury than the rest of the bone. OSD goes away when a child stops growing and usually doesn't cause ...

How Do the Lungs and Respiratory System Work? The cells in our bodies need oxygen to stay alive. Carbon dioxide is made in our bodies as cells do their jobs. The lungs and respiratory system allow ...

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 ...

Los niños de 1 a 3 años están aprendiendo a recorrer el mundo, comunicarse y controlar algunas partes de sus vidas. En realidad, no tienen control sobre muchas cosas, pero la alimentación es una de ...

A aféresis: un procedimiento que implica extraer la sangre, dividirla en plasma, plaquetas y leucocitos, para luego quitar la parte de la sangre que está causando una enfermedad o afección específica.

As with other skills and milestones, the age at which kids learn language and start talking can vary. Knowing a bit about speech and language development can help parents figure out if there's cause ...

Puberty is the time when kids grow into young adults through physical and emotional changes. This doesn’t happen all at once, but slowly over time. It's good to know about the changes that come along ...

All kids get a fever from time to time. Usually, a fever isn’t dangerous or bad for kids. It can even be a good thing because it can help the immune system fight infection. Still, parents might be ...

A lot of changes happen as you grow up, especially as you reach puberty (say: PYOO-bur-tee). This is the time when your body begins to develop and change. During puberty, t here isn't just one event ...

¿Qué es el trastorno del procesamiento auditivo? El trastorno del procesamiento auditivo es un problema auditivo que afecta a entre el 3% y el 5% de los niños en edad escolar. Los niños con esta ...

What's an IEP? 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 ...