A lot of people think about A, B, AB and O when they listen to the phrase “blood types.” These letters classify blood styles depending on whether or not red blood cells provide the A antigen or B antigen. This is known as the ABO system. Limitation as a receiver: https://psilocybecubensisbefectos90764.blogaritma.com/34843164/5-simple-statements-about-psilocybe-cubensis-b-efectos-explained