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  1. 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.

  2. 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.

  3. Blood Types: Main Groups, Most Common, and Rarest

    Nov 23, 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, …

  4. Blood Types - A, B, AB, O, Rh - Science Notes and Projects

    Nov 28, 2023 · Blood types are a classification of blood based on the presence or absence of specific antigens on the surface of red blood cells. These antigens determine the body’s immune response to …

  5. The 8 Blood Types Explained: Importance, Rarity, & Donations

    Dec 26, 2024 · Blood types are important because they affect blood transfusions, pregnancy outcomes, and blood donation. This article outlines the different blood types and their practical application in …

  6. Different Blood Types Explained: A, B, AB, and O - Health

    Mar 7, 2025 · Your blood type—A, B, AB, or O—is determined by the ABO system and the Rh factor, both of which depend on specific antigens on your red blood cells.

  7. 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.

  8. 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 …

  9. Blood Types: What They Are and Why They Matter - MedicineNet

    Nov 18, 2025 · Just like your skin tone and eye color, your blood type is something you’re born with. It runs in your family and is determined by your parents’ blood types.

  10. Understanding Blood Types: The Ultimate Blood Typing Chart Guide

    May 19, 2025 · Understand the complexities of blood types with a comprehensive blood typing chart, including ABO blood groups, Rh factor, and compatibility. Learn about blood classification, …