Capillaries are very tiny blood vessels — so small that a single red blood cell can barely fit through them. They help to connect your arteries and veins in addition to facilitating the exchange of ...

There are many different types of pulmonary function tests that may be used to provide valuable information about the lungs, as well as detect the presence of and/or monitor certain respiratory ...

Vesicles are small cellular containers. They perform a variety of functions, such as helping to transport materials that an organism needs to survive and recycle waste materials. There are several ...

This is the second in a two-part story on how to manage your mental energy to do your best work. Click here for the first article, “How To Perform At Your Peak Every Day: 10 Tips For Working Smarter ...

While red blood cells were first observed under a microscope in 1658, it was until the 1800s that white blood cells were discovered. Since then, both red and white blood cells have been of interest to ...