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Blood is a life force within our bodies, but it can also travel outside the body from one individual to another -- safely and efficiently. From creation to donation to transfusion, follow a unit of blood on a journey that so many take.
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Before it flows through our veins and arteries, blood must be created. How does this happen and what is in our blood? Begin here to find out.
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Featured Article
How Is Blood Produced?
See where it all begins.
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Within the human body, blood performs many essential functions. As our journey continues, we investigate these complex activities.
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Featured Article
Blood Vessels
Veins, arteries, and more.
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It's the easiest way to save a life, but many people know little about the process. To find out, we asked the experts.
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Featured Article
Testing Donated Blood
The rigorous testing procedures.
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How does blood get from donation to transfusion? It's a complicated process that involves meticulous testing and communication.
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Featured Article
Storage and Distribution
Preparing blood for those who need it.
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Blood transfusions save thousands upon thousands of lives each year. Learn who receives these priceless gifts, and read about the discovery that made it all possible.
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Featured Article
Blood Typing
The discovery that changed the world.
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As the journey reaches its conclusion, the process starts anew. Many recipients of transfusions are, like most of us, eventually able to donate blood to others. Blood, after all, flows within every one of us.
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Quiz
Test Your Blood I.Q.
How much do you know?
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