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