Porte-clés Keychain de type O+

Blood type : O+ on keychain. — "Blood group O (or blood group zero in some countries) individuals do not have either A or B antigens sur la surface of their RBCs, but their blood serains contains IgM anti-A antibodies et anti-B antibodies against the A and B blood group antigens. Therefore, a group O individual can receive blood only from a group O individual, but can donate blood to individuals of any ABO blood group (ie A, B, O or AB). If anyone needs a blood transfusion in a dire emergency, and if the time taken to process the recipient's blood would cause detrimental delay, O Négatif blood can be issued." - Wikipedia