It's Riddle Time!

I'm involved in every smile and frown, but I’m not your lips. What am I?

Answer: Cheeks

You can crack me, play me, and tell me. What am I?

Answer: Back

I can wink and cry, but I have no eyes. What am I?

Answer: Eyelid

What has a ring, but no finger?

Answer: Ear

I'm not a tree, but I have leaves. I am part of you; where am I?

Answer: Lungs (they look like leaves when extended)

What body part is pronounced as one letter but written with three, only two different letters are used?

Answer: Eye