cool and clever student eosinophil cell mascot cartoon with book

anatomy basophil biology blood book cartoon cell character circulation clever cute diagram disease education elements emoticon emotion eosinophil erythrocytes expression funny geek glasses granulocyte happy health hemoglobin illustration immune isolated learner leukocyte leukocytes lymphocyte mascot medicine microbe microbiology microscope monocyte neutrophil platelets school science skill smart smile student study vector