Blood is made up of plasma and solid components. Of these, the larger part is plasma, comprising about 55%. It appears as a straw-colored fluid and is composed mainly of water, but also carries ...

White blood cells help your body fight inflammation and infections. A high or low white blood cell count may be associated with a number of short-term or long-term health conditions. White blood cells ...

Blood disorders are conditions that impact the blood’s ability to function correctly. Symptoms depend on the type of blood disorder. However, some common symptoms include unexplained fatigue and ...