Answer:
They keep secrets locked away. And you pass through them each day. For each one there is a key, They respond to sesame.
A man goes out in heavy rain with nothing to protect him from it. His hair doesn't get wet. How does he do that?
They can be long or short; they can be grown or bought; they can be painted or left bare; they can be round or square.
Most people need it, some ask for it, some give it, but almost nobody takes it. What is it?
Old Mcdonald had this
How did the farmer find his wife?