Can you put your finger up?
Can you put your finger down ?
Can you put your finger on your head?
where is your head?
That's right.
This is your head.
Can you put your finger on your nose?
where is your nose?
That's right.
This is your nose.
Can you put your finger on your chin?
Where's your chin?
Excellent!
This is your chin.
(finger手指,head头,nose鼻子,chin下巴)