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.

Topic Index

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.