What body part is it?
They are ears.
What body part is it?
They are eyes.
What can you do with your ears?
I can hear.
What body part is it?
It's a hand. / They are fingers.
What body part is it?
It's a nose.
What can you do with your hands?
I can touch.
What can you do with your mouth?
I can taste.
What can you do with your nose?
I can smell.
What body part is it?
It's a mouth.
What can you do with your eyes?
I can see.