55 percent blood (when donating) blood (when donating) 2 million 55 percent NHS 2 million new red cells every second 2 million new red cells every second 2 milioane celule roÅii noi Ã®n fiecare secundÄ (en) 2 milioane celule roÅii noi Ã®n fiecare secundÄ (en) 2 million NHS 55 percent 2 million 2 million new red cells every second 2 million new red cells every second