major leukocytes types scheme

anatomy antibody artery basophil biology blood bloodcell body care cell chart circle circulatory comparison corpuscle count diagram disease disk education elements eosinophil figure graph health healthy human illustration immune infographic killer leucocyte leukocyte lymphocyte lymphocytes medical medicine microbiology monocyte mononuclear neutrophil nucleus pathogens pie progenitor research science scientific structure system thrombocytes type vector white