UCI Health will see you now: Welcome to our new co-workers and patients from Fountain Valley, Lakewood, Los Alamitos and Placentia-Linda! 

Topic Index

Facts About Blood

Blood Donations / Blood Banking

Blood Transfusions

Bone Marrow Transplantation

Blood Disorders

Blood is the life-maintaining fluid that circulates through the body's heart, arteries, veins, and capillaries. Click on the links above to learn more about this topic.

Picture of vials of blood, labeled