Soalan dan Skema Matematik Kertas 1, 2 Percubaan SPM 2013 Negeri Pulau Pinang (Questions and Schema for Mathematics Paper 1, 2 Trial SPM year 2013 Penang State Level Papers.)
Did you know that ? Blood groups divided into 4 types namedly A, B, AB, O. Group AB is called universal acceptor, while O is called universal donor. Group A can be given to persons having A and AB group. B can be given to B and AB group. O can be given to anybody and AB group to persons of AB group only but AB group can accept any of the four types.