Answer:
I am round as a bowl, deep as a tub, but all the world's water couldn't fill me up.
A mile from end to end, yet as close to as a friend. A precious commodity, freely given. Seen on the dead and on the living. Found on the rich, poor, short and tall, but shared among children most of all.
An open ended barrel, it is shaped like a hive. It is filled with the flesh, and the flesh is alive.
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
Although my cow is dead, I still beat her. What a racket she makes!
What is so fragile that saying its name breaks it?