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How many groups of blood groups are there?
There are four main blood groups: A, B, AB, and O. These also have a negative and a positive, I.e A+, A-, and so on. This would mean that there are eight different types of blood group: A+ A- B+ B- AB+ AB- O+ O-
Who discovered the 4 main blood groups?
The Austrian Karl Landsteiner in 1901, when this scientist discovered that, it was safer to reduce the number of patients that died before from blood transfusion.
How many main blood types are there?
4 blood AB, A, B, and O
What are the five main inverbrate groups?
1. Mammals 2. Reptiles 3. Amphibians 4. In-vertebrates 5. Insects
What are the four main microbe groups?
Microbes are sorted into these 4 groups: Viruses, Fungi, Bacteria and Protozoa
How many main groups of clouds are there?
There are four main groups of clouds: cirrus, stratus, cumulus, and nimbus. Each group is characterized by distinct shapes and altitudes in the sky.
What are the 4 main blood group?
A, B, AB, and O.
Who can i give blood to if I'm type ABO?
there are no blood type as ABO there are practically 4 types of blood groups i.e. A, B, AB and O O blood group can donate blood to all other groups A can give to A and AB B can give to B and AB AB blood group can only give blood to AB only but can receive blood from all other groups
What was the 4 social groups during the Middle Ages?
The four main groups in the 1500s wereGentlemenCitizensYeomenLabourers
What are the 4 main parts that make up your blood?
They are the red blood cells,white blood cells,platelets and plasma
How many blood groups are there?
There are six types of blood type. Blood type A, B and O, all of these blood type can be positive or negative so giving the total number of blood type to be six.
How long do you have to wait to donate blood if you just got a tattoo?
4 Months... Some blood donor groups recommend a year.
