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11:03
what is blood grouping ?which blood group is universal donor or acceptor see all about blood groups
4:12
Blood Component Production
9:39
Easy way to know the blood group of the child from the blood group of the parents | in Hindi
1:00
இந்த Blood Group இருந்த pregnancy-ல Risk அதிகமா😲
1:13
Blood Bag Labels
0:24
Blowing Veins 💥🩸Part 2 #funfacts #goodtoknow #vet #medicine #educational #blood #phlebotomy
0:44
How big is the needle for plasma donations? #plasmadonation #sidehustle #didyouknow
0:34
How Early Blood Transfusions Worked 😨
