Red Blood Cell

Red Blood Cell AE3803 is a delivery worker inside the human body in Cells at Work! She transports oxygen and carbon dioxide while repeatedly becoming caught in immune battles and medical emergencies.

Red Blood Cell's delivery role and personal arc

AE3803 is hardworking, friendly, easily lost, and determined to complete her route despite danger. Her profession depends on circulation, navigation, and carrying respiratory gases rather than combat.

Red Blood Cell's powers, allies, and character growth

White Blood Cell U-1146 frequently rescues her, creating a dependable partnership across the body's crises. As conditions worsen, AE3803 becomes more competent and demonstrates how ordinary cellular work sustains life.