Hataraku Saibou

Hataraku Saibou manga summary:
Within the human body there is said to be approximately 60 million cells. White blood cells, red blood cells, platelets, macrophages, memory cells, killer T cells, natural killer cells, B cells, mast cells and many more! All these different cells work tirelessly within the body, never resting for a moment, at any time willing to resist invading foreign entities like germs and viruses to the bitter end! From Akane Shimizu, winner of Shounen Sirius' Rookie Award, comes an informative tale about anthropomorthized cells!