Why does Iron Man wear a reactor? What is the reactor on Iron Man's chest for?

"Iron Man" is the beginning of Marvel movies. In "Avengers 4", Iron Man used his own sacrifice to save the entire world and destroy Thanos and his army. In the movie, many people can see a reactor on Iron Man's chest. When Ant-Man sneaked into the reactor and pulled out the battery, Iron Man almost died suddenly. Many viewers didn't know why Iron Man wore a reactor. This reactor was in his It seems to play a particularly important role in the body, just like the heart of a normal person.

Iron Man’s father is a scientist. With his father’s genetic inheritance of high IQ, Iron Man has been very smart since he was a child and has extraordinary talent in scientific and technological research. Later, after he took over the company, he even showed With his extraordinary talent, his inventions and creations have also brought his company to glory, but at the same time, many warmongers have taken aim at Iron Man's inventions, hoping that he can provide them with weapons and high-tech technology, but at the same time, many warmongers have taken aim at Iron Man's inventions. Iron Man did not want to associate with the warmongers, so he rejected their request.

Iron Man has always hoped that his inventions can maintain peace, but such thoughts and actions have violated the interests of some villains. In the process of an arms transaction, Iron Man was framed and killed by a bomb he invented. Injured. But the enemy didn't want Iron Man to die, so they called a doctor. Because the shrapnel entered the heart, Iron Man died in the end. The doctor installed an electromagnet on his chest to save Iron Man's life. After Iron Man came back to life, , he invented the current reactor himself and installed it for himself.

This reactor is a life extension for Iron Man. Only with this reactor can Iron Man live normally. Later, after Iron Man built himself an armor, the reactor was also used as a power source, so Iron Man fell to the ground as if he was about to die suddenly after Ant-Man unplugged the battery from the reactor. This reactor was his heart.