Fun Riddles

Question: A man and his son are in a terrible accident and are rushed to the hospital in critical care. The doctor looks at the boy and exclaims "I can't operate on this boy, he's my son!" How could this be?

Question: What is it that no man wants, but no man wants to lose?

Question: I am a cave full of bones,
and the house of a worm.

What am I?

Question: Samuel was out for a walk and it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet.

How could this be?

Question: What has 4 fingers and a thumb, but is not living?