Answer:
I can be swallowed But I can also swallow you.
What do you call a pig that is no fun to be around?
I rise and fall no matter what, only at finals rest do I not budge. What am I?
You heard me before and then again. Afterward I die until you call me again.
Travel a mile and I will change, travel a million and I will end as I started. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.