Answer:
I have memories but none of my own whatever's on my inside is what is shown. If I'm ever different it's because you changed me I feel like a decoration here for you to arrange me.
Everyone has me and no one can lose me. What am I?
I transfer oxygen from the atmosphere to your blood
I am known for my natural tuxedo and marching
We applaud if you perform well.
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?