Answer:
These are the bumpy parts of your digits
What has four fingers and a thumb but is not alive?
The buyer doesn’t want it, the producer doesn’t need it and the user doesn’t know their using it.
He died for people's entertainment.
What goes trough your head but you forget it like 3 days after?
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.