Cells at Work!
はたらく細胞 (original)
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!
Starring Kana Hanazawa, Daisuke Ono, Shoya Chiba, Tomoaki Maeno, Saori Hayami, Takahiro Sakurai, Mao Ichimichi, Hiroyuki Yoshino, Nobuhiko Okamoto, Maria Naganawa
Watch "Cells at Work!" on Amazon released in 2018. It's a animation and action & adventure show, and has a rating of 7.5 out of 10 from Imdb which is usually fine for this kind of show.