
Blood Types Explained - A, B, AB and O - Red Cross Blood
Nov 28, 2025 · Blood types are determined by the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body. Since some …
12 Interesting Facts about Rh-Negative Blood Type
While AB can receive blood transfusions from all other types, O is a universal donor, meaning that their blood can be used for anyone else for a transfusion. However, what is the difference …
Who Can Give Blood to a Negative Blood Type? - Biology Insights
Essential guide to blood compatibility for negative types. Discover which donors are safe, the role of the Rh factor, and the unique status of O- blood.
What Is Special About O Negative Blood? - MedicineNet
O negative blood group is a type of blood group that does not have any of the major blood group antigens (A, B, or Rh). Because of this, a person with any ABO and Rh blood type can receive …
Blood Type Testing and Matching | American Cancer Society
This means that their blood cells have either antigen A (type A), antigen B (type B), both antigens (type AB), or neither antigen (type O). Rh factor: Everyone is either Rh-positive or Rh-negative …
Rh Incompatibility and Other Blood Group Issues | OB-GYN
People typically have one of four blood types: A, B, AB or O. Health care providers also classify blood types as positive or negative. For example, your blood type could be type A-negative (A …
Things You Should Know About O Negative Blood Type
3 days ago · Blood group "O" means absence of both "A" and "B" antigens and both anti-A and anti-B antibody in the plasma. The positive or negative in the blood group refers to the Rh …
Blood Types - A, B, AB, O, Rh - Science Notes and Projects
Nov 28, 2023 · Learn about blood types, including A, B, AB, O and Rh+ and Rh-. See which blood type is the universal donor and universal recipient.
O Negative vs. O Positive - What's the Difference? | This vs. That
O Negative blood does not have the Rh factor, making it compatible with all blood types, while O Positive blood has the Rh factor, making it compatible with both O Positive and O Negative …
Rarest Blood Type: Chart and Compatibility - Husaini Blood Bank
Apr 28, 2025 · O–: can receive only from O– (no A, B, or Rh antigens). O+: can receive from O+ and O– (Rh– acceptable to Rh+). Check the chart above for full specifics. O+ can donate to …