What happens to all of the abnormalities doctors cut out of peoples bodies?

Or even better, what happens to a woman’s after birth when she gives birth?

How about this one, what happens to the teeth dentists pull out of peoples mouths?

What about all that engine oil that people drain out of their car’s every day, where does it really go?

Here’s one, what about all those pigs, chickens, turkeys and cows that get slaughtered every day. What happens to the scraps after all the prime meat gets cut up and sent to the store to sell, where does the rest go?

And finally, what really, I mean really happens to a person when they die?

Many people have their answer’s to these question’s, so let’s here them. Thank you for the replies in advance!