Answer:
You bury me when Iām alive and dig me up when Iām dead. What am I?
I have a ring but no fingers. I used to stay still all the time but nowadays I follow you around.
I am lighter than air, but a hundred people cannot lift me. Careful, I am fragile. What am I?
I transfer oxygen from the atmosphere to your blood
I am carried by mad animals.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.