Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...

Look at blood smeared across a slide under a microscope, and you see a mystery revealed. The ruby-colored, vital, fluid of life we call blood is made of lots of stuff. There is the liquid plasma that ...

Millions of people donate blood each year, saving countless lives. After a donation, plasma and white blood cells are ...

Blood stem cells develop through different stages to become fully mature red blood cells. This fundamental biologic process is defined by a series of complex metabolic processes, which are often ...