Answer:
Lighter than what I am made of. More of me is hidden than seen. What am I?
My first half means container. Not a lot of people understand my language. What am I?
I have a head but never weeps. I have a bed but never sleeps. I can run but never walks. I have a bank but no money. What am I?
I am the thing that is used to make your weight. What am I?
In my life I must bare, my bloodline I must share. What am I?
What flies without wings?