basophil
battle
beat
biology
blood
boxer
boxing
boxing gloves
bump
cartoon
cell
cells
character
circle
circulatory
cute
emoticon
emotion
eosinophils
expression
fighting
funny
granulocytes
happy
icon
illustration
immune
isolated
leukocyte
leukocytes
lymphocyte
lymphocytes
macrophage
mascot
medical
medicine
microbiology
monocyte
monocytes
neutrophil
neutrophils
protect
ring
science
smile
sparring
strong
symbol
win