About Blood

Blood Saves Lives

Blood carries oxygen and nutrients to all parts of the body, and carries carbon dioxide and other waste products back to the lungs, kidneys and liver for disposal. It fights against infection and helps heal wounds, so we can stay healthy. There's no substitute for blood. If people lose blood from surgery or injury or if their bodies can't produce enough, there is only one place to turn - volunteer blood donors.

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Blood Types

Your blood type is made of inherited molecules. Learn more about blood types and how they are determined.

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Blood Components

Blood is made of four basic ingredients. Learn more about these components and their importance.

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Blood Testing

The blood supply is safer today than it ever has been thanks to modern technology and strict screening practices.

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When You Need Blood

4.5 million Americans receive blood each year. Learn about the variety of reasons and why donating blood is important.

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Blood Facts

Did you know someone needs blood every two seconds? Find out more interesting blood facts here.

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History of Blood Banking

Blood banking can be traced back all the way to C2500 BCE. Learn what events in the world have resulted in changes in the blood banking process.