There are many interesting things about blood group. Not only humans but also the things related to the blood of other living beings are equally interesting. There are generally four blood groups in humans – A, B, AB and O. Your blood group is determined by the genes you inherit from your parents. You must have noticed that most of the people have blood group O positive. According to Dr. Ross Herron, Medical Officer of the American Red Cross Society, 45 percent of the people of America have blood group O. Out of these, up to 38 percent of the people have blood group O positive and while the blood group of 7 percent is negative. The biggest reason for this is genetics. According to him, there are populations of different races all over the world, but there are more people of Caucasian community in the world. Their origin connection is with Europe. In such a situation, it is possible to a great extent that this is the reason behind this blood group being common. It was a matter of blood group of humans, we know the special things related to blood-
– Most blood groups are in snakes. In these, 1910 blood groups are found.
Looking at the size, you would think that the elephant is found the most, but it is not so. Most of the blood is inside the shark. Sharks have 190 to 220 liters of blood. Whereas an elephant has 45 to 50 liters of blood.
In this whole world, the highest blood group is O positive.
The tribal group in Brazil is the Bororo, in which the blood group of all people is O positive.
The blood of most of the animals is red in colour, but the blood of spider and snail is of blue colour.
Do you know that 1 out of 4 people need blood at some point or the other, so blood should be donated. Donating blood does not reduce energy.
A newborn baby has 250ml of blood whereas a healthy person has about five liters of blood.