Aggiungi una trama nella tua linguaOne newcomer red blood cell just wants to do her job. Between bacteria incursions and meeting a certain white blood cell, she's got a lot to learn.One newcomer red blood cell just wants to do her job. Between bacteria incursions and meeting a certain white blood cell, she's got a lot to learn.One newcomer red blood cell just wants to do her job. Between bacteria incursions and meeting a certain white blood cell, she's got a lot to learn.