Correct Answer - Option 1 : O-
The correct answer is O-.
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Except for O, cells of groups A, B, AB contain antigens.
- Therefore O can give his blood to any group and is called a universal donor.
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The AB group is called Universal Recipient because it can take blood from all blood groups A, B, AB, and O.
- In the years 1900–1902, K. Landsteiner divided human blood into four groups — A, B, AB, and O.
- Blood is a red-colored fluid that circulates in our body.
- It is red in color because hemoglobin has a red color found in its red cells.
- Blood is connective tissue, four things are found in it -
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Plasma, red blood cells (red blood cells or RBCs), white blood cells (white blood cells or WBCs), and platelets (oocytes).
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World Blood Donor Day is observed every year on 14 June.
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The blood transfusion technique was first developed by James Blundell in 1825.
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Rh factor is a type of blood antigen discovered in 1940 by Landsteiner and A.K. s. was done by Veneer.
