immune system - immunity - antibodies
vaccine
small - chopsticks - white
rice
play - bounce - throw
ball
spice - sweet - white
sugar
wood - lead - eraser
pencil
fly - airport - travel
plane
fruit - sweet - yellow
pineapple
farm - fluffy - baby
lamb
clear - healthy - glass
water
sun - earth - satellite
moon
head - rest - bed
pillow
ocean - shell - tail
lobster
door - lock - open
key
teeth - paste - clean
toothbrush
fun - play - people
game
words - pages - spine
book
human - number - area
population
bug - cocoon - leaves
caterpillar
clock - hour - minute
hand
bed - night - tired
sleep
subject - school - living
Biology
smoke - ash - mountain
volcano
milk - sour - white
yoghurt
color - sun - rain
rainbow