It is one...
mouths
mouth
They are five...
toes
toe
It is one...
head
heads
It has got two...
heads
head
They are two...
leg
legs
They are two...
arms
arm
They are two...
ear
ears
They are five...
finger
fingers
It is one...
eye
eyes
It is one...
chins
chin
It is one...
ear
ears
It is one...
noses
nose
Dog has got four...
legs
leg
They are two...
eye
eyes