Answer:
A dagger thrust at my own heart dictates the way I'm swayed. Left I stand and right I yield to the twisting of the blade. What am I?
I'm an animal. I love marching. I always wear a tuxedo. What am I?
Tear me off and scratch my head, what once was red is black instead. What am I?
I am the place to turn to when nature calls. What am I?
I am a way to say goodbye to your sweetheart
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.