by: Admin_LouisPosted on: Main cells of the immune system is— Main cells of the immune system is—Red blood cellsPlatelets—>> White blood cellsStem cells Share this:TwitterFacebookLike this:Like Loading... Related posts:Which of the following nursing assessments is a late symptom of polycythemia vera?___ involves tissues becoming red, swollen, and painful.A client with anemia may be tired due to a tissue deficiency of which of the following substances?Which of the following blood components is decreased in anemia?