Cells at Work! (2018-) 
The human body consists of approximately 37 trillion cells. These cells are hard at work every day within a world that is your body. From the oxygen carrying Red Blood Cells to the bacteria...
Cells at Work!: Full Season Season 1 (Full Season)
Cells at Work! is a Japanese manga series written and illustrated by Akane Shimizu. It features the anthropomorphized cells of a human body, with the two main protagonists being a red blood cell, and a neutrophil she frequently encounters. Trailer [more inside]