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bloodtypes
sydewalka
share2steem
5y
sydewalka daily digest : 2019/06/18 08:41:13
Not all human blood is exactly alike. each person has a particular combination of materials in his or her blood. This substances can react with each other when blood from two different people are mixed.
$ 0.370
14
avik
bloodtypes
7y
Blood for emergency
$ 0.000
2
1
warrensteem
til
8y
TIL Our blood types evolved millions of years apart
So Today I found out that the 4 main blood types all evolved millions of years apart. source There are 4 main blood types, Type A, B, AB and O Each blood type is quite significantly different from the
$ 35.144
172
5
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