Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

Blood plasma is a light yellow liquid that makes up about half of a person’s blood. Blood plasma is vital for fighting infection, maintaining correct blood pH levels, helping blood to clot, and ...

Red blood cells are important mediators of the innate immune system. Depending on the cellular environment, these cells either activate the immune system or maintain the system in a dormant state. In ...

Hemophilia, von Willebrand disease, anemia, leukemias, or a low platelet count can cause bruising. A person should contact a doctor if they are concerned about their bruising. Bruising is one of the ...

Transfusion Alter Transfusion Med. 2008;10(3):92-101. For either buffy-coat-derived or apheresis platelets, the majority of plasma (70%) in the platelet concentrate can be replaced with an artificial ...

A key diagnostic step in disease detection is analyzing blood components. Accurate separation of blood cells from plasma, which holds proteins and other constituents, is crucial in many assays. First ...