There are four main blood types A, B, AB and O in the ABO blood group system.
A single blood donation contributes to the making of over 12 products all serving a vital function to help others in need.
View the "Ever wonder what happens to blood" poster to find out more about the various blood products and their functions.
Login using your online or NZ Blood Service Donor App login details.
If you do not have a login please Register Now, using the button below.
Once registered, your login details will be the same for both the website and the NZ Blood Service Donor app.