Blood Groups ABO Rh, Who Can Donate and Receive Safely This chart shows safe blood transfusion rules using ABO and Rh systems. It helps you quickly identify compatible donors and recipients and avoid mismatch reactions during urgent lab situations. Clear rules improve speed and accuracy in transfusion practice. #I ♥ my family #👬 Friends forever 🤝 #👬స్నేహ బంధం #👫తోబుట్టువుల ప్రేమ 🥰 #▶️ తెలుగు వాట్సాప్ స్టేటస్