Ask Our Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
blood group
Table of Contents
References & Edit History Quick Facts & Related Topics
Images & Videos
Red blood cell
How much blood is in the human body?
Why is blood red?
Quizzes
Superficial arteries and veins of face and scalp, cardiovascular system, human anatomy, (Netter replacement project - SSC)
The Human Body
Read Next
Transfused Human blood in storage
The Strange, Grisly History of the First Blood Transfusion
Discover
Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar
Ten Days That Vanished: The Switch to the Gregorian Calendar
King Cobra snake in Malaysia. (reptile)
9 of the World’s Deadliest Snakes
Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society
12 Novels Considered the “Greatest Book Ever Written”
Happy, smiling, flying pig
7 Everyday English Idioms and Where They Come From
Shadow of a man holding large knife in his hand inside of some dark, spooky buiding
7 of History's Most Notorious Serial Killers
Ethel Rosenberg arrested in August 1950. Photograph dated Aug. 8, 1950. American civilians executed for espionage. Spies, communists, Julius Rosenberg
Spies Like Us: 10 Famous Names in the Espionage Game
Amendments 1-10 to the Constitution of the United States constitute what is known as the Bill of Rights on an American flag.
What Is the Emoluments Clause?

blood group: Facts & Related Content

verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Share
Share to social media
URL
https://www.britannica.com/facts/blood-group
Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica

News •

Liver transplant performed on patient with rare blood group at city hospital • May 8, 2025, 7:49 AM ET (The Hindu)

Facts

Also Known As blood type

Photos and Videos

Red blood cell
How much blood is in the human body?
Why is blood red?
See All Videos and Images →

Related Topics and References

Topics
Dig Deeper: More Articles That Discuss This Topic

Key People

Karl Landsteiner.
Karl Landsteiner
Austrian immunologist and pathologist

Related Quizzes and Features

Quiz
Superficial arteries and veins of face and scalp, cardiovascular system, human anatomy, (Netter replacement project - SSC)
The Human Body