cool and funny leukocyte cell raised up a sign

bactericidal basophil biology blood board bring cartoon caution cell character clue cute cytoplasm emoticon emotion eosinophil expression forewarning funny granulated granules granulocyte haematology happy illustration infection isolated leucocyte leukocyte mark mascot medical medicine microbiology neutrophil nucleus pathology phagocytes phagocytosis sign smile symbol vector warning wbc