Persian City Directory: Science: Biology: Physiology: Blood Circulation:

Web Directory - Science: Biology: Physiology: Blood Circulation

See also:

ABO Blood Group System - Provides detailed information on the molecular genetic basis of the histo-blood group ABO system, as well as the structural basis of A and B glycosyltransferases that synthesize A and B antigens.
Cells of the Blood - Click on any of the cells to identify the cell type and get further information.