Blood Types Explained - A, B, AB and O | Red Cross Blood Services
Not all blood is alike. Learn about blood typing and the rarest and most common types of blood and how they can impact your blood donation.
Blood Types: What They Are and Mean for Your Health
There are four main blood types: A, B, AB and O. Blood bank specialists determine your blood type based on whether you have antigen A or B on your red blood cells.
Different Blood Types Explained: A, B, AB, and O - Health
6 days ago · There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative. Knowing your blood type is important for safe blood transfusions and organ transplants....
Blood Types Explained: Health, Compatibility, and Rare Types - WebMD
Feb 19, 2025 · Learn what determines your blood type and why it's important. Understand blood type compatibility, donation guidelines, and the need for safe transfusions.
Understanding Your Blood Type With the ABO System and Rh Factor
Dec 7, 2025 · There are eight main blood types, defined by the ABO system and the Rh factor. Type O-negative blood is a universal donor, and AB positive blood is a universal recipient. During pregnancy, …
Blood Types - What Determines Your Type? | Carter BloodCare
Sep 9, 2025 · Therefore, the 8 blood types are the following: O+, O-, A+, A-, B+, B-, AB+, AB- Learn more about the genetics of how blood type is inherited. Have any questions? Talk with us directly …
The 8 Blood Types Explained: Importance, Rarity, & Donations
Dec 26, 2024 · Every person has a unique blood type because the immune cells (antigens) on their red blood cells differ. The discovery of blood types in 1901 saved many lives and permanently changed …
Blood types: What are they and what do they mean? - Medical News Today
Jan 16, 2024 · Most people use the ABO system to group blood types, and rhesus factor, which is either positive or negative. An individual’s blood type depends on which genes they inherited from their...
Blood Types Explained: Understanding A, B, AB, and O Blood Groups
Oct 3, 2025 · In this comprehensive guide, we’ll explore the science behind blood types, delve into the characteristics of each group, examine compatibility rules for transfusions, and discuss how blood …
Understanding Blood Types | Science Learning for Students
Everyone has one of four main blood types: A, B, AB, or O. These types are determined by tiny substances called antigens on the surface of blood cells. Antigens act like name tags on your blood …