The process that produces formed elements, occurs in fetal liver, thymus, spleen, lymph nodes, and red bone marrow, after birth primarily in red bone marrow
Maincomponent of erythrocytes, transports O2, each globin protein is attached to a heme molecule, each heme contains one iron atom, O2 binds to iron, Oxyhemoglobin: hemoglobin with an O2 attached
In Caucasians in the United States, the distribution is type O, 47%; type A, 41%; type B, 9%; and type AB, 3%. Among African-Americans, the distribution is type O, 46%; type A, 27%; type B, 20%; and type AB, 7%.
If the mother is Rh- and the fetus is Rh+ the mother can be exposed to Rh+ blood if fetal blood leaks through the placenta and mixes with the mother's blood
First time this occurs mother's blood produces antibodies against antigens