Compatible blood transfusions
10:02
Blood Types (ABO and Rh) - Antigens and Antibodies
9:53
Rhesus factor
2:54
Blood Type Compatibility Made Easy (Donor and Recipient) A, B, AB, O Transfusion
8:05
ABO Blood Types Made Easy!
21:33
Cardiovascular System 1, Heart, Structure and Function
33:01
The Man Who Almost Broke Math (And Himself...)
34:29
I Took an IQ Test to Find Out What it Actually Measures
4:49