NL AND Home Work at About Sanquin Because Contact FAQ Becoming a donor For donors Products Research Education Topical Donor and patient stories Wall of fame About the Blood Bank About blood Sign Up Frequently Asked Questions Contact You don't know her, but you can heal her About blood Blood groups What is my blood made of? What are you doing with blood? Rhesus factor What are stem cells? Blood supply Blood is our body's transport system. It constantly flows to deliver oxygen, nutrients and other substances to tissue and to dispose of waste products. It also plays an important role in the body's defense against pathogens. Blood transfusions When someone (temporarily) needs extra blood or specific blood components, a blood transfusion is used. A blood transfusion involves more than simply administering blood to patients. The donated blood is collected and stored in the blood bank. The blood is examined and processed into specific blood products: red blood cells, platelets, plasma and plasma medicines. An important factor in transfusions is the type of red blood cells. Red blood cells differ from person to person and cannot always go together. Blood is therefore divided into blood groups and this is taken into account in transfusions. Medicines Blood is a rich source of components essential to life. Both blood cells and many important proteins from blood can serve as medicines and are used in a large number of often life-threatening diseases and procedures. Frequently Asked Questions How often can I give blood? What happens after my registration? Tips for new donors What will my blood be tested for? Do you want to become a donor? Sign In! Blood is life Stay informed Facebook Twitter LinkedIn Youtube Google+ Knowing more? Fill in our contact form or call the free donor information line 0800-5115 Are you already a donor? Can I donate blood now? Report changes Unsubscribe from donation Donor-recruits-donor Locations Not a donor yet? Sign In! Terms and Conditions Disclaimer Privacy policy Contact

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