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

What Causes Osgood-Schlatter Disease? Osgood-Schlatter disease happens during the growth spurt of puberty. During a child's growth spurt, the bones, muscles, and tendons grow at different rates. In ...

El parche anticonceptivo es un parche cuadrado delgado, color beige, de 1¾ pulgadas (4½ centímetros) que se adhiere a la piel. Este parche libera hormonas a través de la piel hacia el torrente ...

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 ...

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 ...

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 ...

Hacer que las reuniones entre padres y maestros funcionen bien puede favorecer la participación de la familia en sus clases y ayudar a obtener unos resultados positivos, tanto para usted como para sus ...