It's called an Arc Reactor. In the movie, it's clean energy source that powers his suit. But more importantly, it powers the electromagnet that protects Stark's heart from the shrapnel embedded in his chest. However, the second movie reveals the arc embedded in Stark's chest is made of palladium, which is slowly poisoning him.
Slow much
yes its a glith!
The Mandarin is Iron Man's archenemy.
Tony Stark. He runs Stark Industries.
There is no such thing as "chest hormones"
The thing in his chest
He has it in his chest to keep himself alive, apperntly there was a metal sliver and this thing is keeping it away fro his heart
No iron man is still human the thing in his chest only stops him from dieing from his accident. the thing in his chest does not make his heartbeat it just protects it
SILENCE
yes its going to star a new supervillan called doctor something and his poweris known to contolr ironmans armor
there is a bottle on the beach, click on it.
Bib