Funny Riddles

Question: I may be of the eye,
in order I am pie,
in my center there is a star,
I keep medics where they are.

What am I?

Question: Every time you lose something, you always find it in the very last place you would look.

Why is this?

Question: There's a B in my hand. So what's in my eye?

Question: What has a foot but no leg?

Question: A person was born in 1940. Today is his 18th birthday.

How is that possible?