Answer:
Although my cow is dead, I still beat herΒ What a racket she makes.
My first keeps time, my second spends time, my whole tells time.
Two people are born at the same moment, but they don't have the same birthdays. How could this be?
What does everyone know how to open but not how to close?
What stays the same size no matter how much they weight?
What covers its face with its hands, speaks no language, yet most known what it's saying?