Blood Types Explained - A, B, AB and O | Red Cross Blood Services
Discover what blood types are compatible with yours. Get our guide to find out. There are four major blood groups determined by the presence or absence of two antigens, A and B, on the …
Blood type - Wikipedia
Blood type Blood type (or blood group) is determined, in part, by the ABO blood group antigens present on red blood cells. A blood type (also known as a blood group) is a classification of …
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.
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 …
Understanding Your Blood Type With the ABO System and Rh …
Dec 7, 2025 · Eight blood types are divided into four categories: A, B, AB, and O, and whether you're Rh positive or negative. Learn what these classifications mean.
Blood Types Explained: Health, Compatibility, and Rare Types - WebMD
Feb 19, 2025 · While everyone’s blood contains the same basic parts, there are eight different blood types. The type you have depends on genes you inherit from your biological parents. …
You're somebody's type. | ARUP Blood Services
Blood types are used to determine donor-patient compatibility. Donated blood must be compatible with the recipient's blood for a transfusion to occur. Transfusing incompatible blood can result …
What are the Blood Types? Chart, What Rh Factor Is
The blood types that exist in humans are A, B, AB and O. Not all blood types are compatible with each other, however, and therefore it's important to know who can donate to whom.
Blood Type Guide: Compatibility, Genetics & Transfusion
Sep 28, 2012 · Informative guide to blood groups, compatibility, inheritance & transfusion basics for all ages and health needs.
Blood Types Explained | Blood Type Chart
Learn about the rarest blood types and most common types of blood and how that can impact your blood donation method. Target Your Type with our blood type chart.