Human blood is classified according to the presence or absence of specific markers, called antigens, on the surface of red blood cells. The most commonly encountered blood group system is the…57 more words
Perhaps the whole specter of taxpayers heavily funding pharmaceutical research (through the NIH) and then being ripped off with expensive and dangerous drugs is so overwhelmingly depressing that the public just tunes out. 51 more words
It’s no secret that blood is pretty important.
In humans, it is a significant transport medium for hormones, nutrients, and oxygen. As many will already know, blood comes in four main groups: A, B, AB, and O. 333 more words