Mr. Rong's Lovelorn Diary
White blood cells, also known as leukocytes, eat away foreign bacteria & other organisms that invade the body! They are responsible for immunity (the ability of the body to fight infections): Mr. Rong's Lovelorn Diary

White blood cells, also known as leukocytes, eat away foreign bacteria & other organisms that invade the body! They are responsible for immunity (the ability of the body to fight infections): Mr. Rong's Lovelorn Diary