The average adult has 10-12 pints of blood traveling all over his or her body through the heart, lungs, arteries, veins and capillaries. Blood is an essential part of our bodies that performs these functions:

• Replenishes oxygen and removes carbon dioxide
• Distributes essential nutrients to cells
• Carries away metabolic waste materials for disposal
• Recognizes antigens (foreign substances) and produces antibodies (immune defense mechanisms)
• Clots cuts, wounds and scratches to prevent bleeding

If you want to read our 56 fascinating blood facts, download this PDF.