Which is faster than asphyxiation, and lest we forget the origin of this thread, much faster than being chewed to death by something that doesn't know how to kill efficiently. That mouse might as well have been chewing on a log with no goal in mind but to wear down its teeth, fill its belly and pass time. Like others have said (and I think I already said) it would've taken hours for that BP to die from its horrific injuries.