Delivering carbon dioxide to the lungs, and bringing oxygen to cells throughout the body... Thatโs Red Blood Cellโs important task. Though sheโs still directionally-challenged and always losing her way, she canโt be a fledgling forever. Sheโs determined to go through Circulation by herself without any help from the older cells, but in the shadows, White Blood Cell (Neutrophil) watches over her with a worried look on his face.