Cells at Work! 6

THE WORK NEVER ENDS <p/>White Blood Cell Red Blood Cell Macrophage and the cute little Platelets face a threat unlike any they've ever dealt with before: COVID-19! But even this threat can be defeated as long as everyone works together. The uplifting and informative series comes to a close with one last tour of the hardworking body featuring left shift in the blood retinal degeneration and a simple bump on the noggin. But of course as long as there's a job to do this team won't quit! <p/>FINAL VOLUME!